diff --git a/Prebid.js b/Prebid.js
new file mode 160000
index 00000000000..b121eda695f
--- /dev/null
+++ b/Prebid.js
@@ -0,0 +1 @@
+Subproject commit b121eda695f82d8d2e6e8189f8fc6f861a3dbf5e
diff --git a/libraries/intentIqConstants/intentIqConstants.js b/libraries/intentIqConstants/intentIqConstants.js
index 0fa479a19ad..6bcf994d2b4 100644
--- a/libraries/intentIqConstants/intentIqConstants.js
+++ b/libraries/intentIqConstants/intentIqConstants.js
@@ -12,6 +12,7 @@ export const GVLID = "1323";
 export const VERSION = 0.33;
 export const PREBID = "pbjs";
 export const HOURS_24 = 86400000;
+export const HOURS_72 = HOURS_24 * 3;
 
 export const INVALID_ID = "INVALID_ID";
 
diff --git a/libraries/intentIqUtils/getRefferer.js b/libraries/intentIqUtils/getRefferer.js
index 20c6a6a5b47..2ed8a668a56 100644
--- a/libraries/intentIqUtils/getRefferer.js
+++ b/libraries/intentIqUtils/getRefferer.js
@@ -4,19 +4,25 @@ import { getWindowTop, logError, getWindowLocation, getWindowSelf } from '../../
  * Determines if the script is running inside an iframe and retrieves the URL.
  * @return {string} The encoded vrref value representing the relevant URL.
  */
-export function getReferrer() {
+
+export function getCurrentUrl() {
+  let url = '';
   try {
-    const url = getWindowSelf() === getWindowTop()
-      ? getWindowLocation().href
-      : getWindowTop().location.href;
+    if (getWindowSelf() === getWindowTop()) {
+      // top page
+      url = getWindowLocation().href || '';
+    } else {
+      // iframe
+      url = getWindowTop().location.href || '';
+    }
 
     if (url.length >= 50) {
-      const { origin } = new URL(url);
-      return origin;
-    }
+      return new URL(url).origin;
+    };
 
     return url;
   } catch (error) {
+    // Handling access errors, such as cross-domain restrictions
     logError(`Error accessing location: ${error}`);
     return '';
   }
@@ -31,12 +37,12 @@ export function getReferrer() {
  * @return {string} The modified URL with appended `vrref` or `fui` parameters.
  */
 export function appendVrrefAndFui(url, domainName) {
-  const fullUrl = encodeURIComponent(getReferrer());
+  const fullUrl = getCurrentUrl();
   if (fullUrl) {
     return (url += '&vrref=' + getRelevantRefferer(domainName, fullUrl));
   }
   url += '&fui=1'; // Full Url Issue
-  url += '&vrref=' + encodeURIComponent(domainName || '');
+  if (domainName) url += '&vrref=' + encodeURIComponent(domainName);
   return url;
 }
 
@@ -47,10 +53,9 @@ export function appendVrrefAndFui(url, domainName) {
  * @return {string} The relevant referrer
  */
 export function getRelevantRefferer(domainName, fullUrl) {
-  if (domainName && isDomainIncluded(fullUrl, domainName)) {
-    return fullUrl;
-  }
-  return domainName ? encodeURIComponent(domainName) : fullUrl;
+  return encodeURIComponent(
+    domainName && isDomainIncluded(fullUrl, domainName) ? fullUrl : (domainName || fullUrl)
+  );
 }
 
 /**
@@ -61,7 +66,7 @@ export function getRelevantRefferer(domainName, fullUrl) {
  */
 export function isDomainIncluded(fullUrl, domainName) {
   try {
-    return fullUrl.includes(domainName);
+    return new URL(fullUrl).hostname === domainName;
   } catch (error) {
     logError(`Invalid URL provided: ${error}`);
     return false;
diff --git a/libraries/intentIqUtils/getUnitPosition.js b/libraries/intentIqUtils/getUnitPosition.js
new file mode 100644
index 00000000000..025a06a9964
--- /dev/null
+++ b/libraries/intentIqUtils/getUnitPosition.js
@@ -0,0 +1,17 @@
+export function getUnitPosition(pbjs, adUnitCode) {
+  const adUnits = pbjs?.adUnits;
+  if (!Array.isArray(adUnits) || !adUnitCode) return;
+
+  for (let i = 0; i < adUnits.length; i++) {
+    const adUnit = adUnits[i];
+    if (adUnit?.code !== adUnitCode) continue;
+
+    const mediaTypes = adUnit?.mediaTypes;
+    if (!mediaTypes || typeof mediaTypes !== 'object') return;
+
+    const firstKey = Object.keys(mediaTypes)[0];
+    const pos = mediaTypes[firstKey]?.pos;
+
+    return typeof pos === 'number' ? pos : undefined;
+  }
+}
diff --git a/libraries/intentIqUtils/intentIqConfig.js b/libraries/intentIqUtils/intentIqConfig.js
index 3f2572f14fa..41c731f646b 100644
--- a/libraries/intentIqUtils/intentIqConfig.js
+++ b/libraries/intentIqUtils/intentIqConfig.js
@@ -1,3 +1,33 @@
-export const iiqServerAddress = (configParams, gdprDetected) => typeof configParams?.iiqServerAddress === 'string' ? configParams.iiqServerAddress : gdprDetected ? 'https://api-gdpr.intentiq.com' : 'https://api.intentiq.com'
-export const iiqPixelServerAddress = (configParams, gdprDetected) => typeof configParams?.iiqPixelServerAddress === 'string' ? configParams.iiqPixelServerAddress : gdprDetected ? 'https://sync-gdpr.intentiq.com' : 'https://sync.intentiq.com'
-export const reportingServerAddress = (reportEndpoint, gdprDetected) => reportEndpoint && typeof reportEndpoint === 'string' ? reportEndpoint : gdprDetected ? 'https://reports-gdpr.intentiq.com/report' : 'https://reports.intentiq.com/report'
+const REGION_MAPPING = {
+  gdpr: true,
+  apac: true,
+  emea: true
+};
+
+function checkRegion(region) {
+  if (typeof region !== 'string') return '';
+  const lower = region.toLowerCase();
+  return REGION_MAPPING[lower] ? lower : '';
+}
+
+function buildServerAddress(baseName, region) {
+  const checkedRegion = checkRegion(region);
+  if (checkedRegion) return `https://${baseName}-${checkedRegion}.intentiq.com`;
+  return `https://${baseName}.intentiq.com`;
+}
+
+export const getIiqServerAddress = (configParams = {}) => {
+  if (typeof configParams?.iiqServerAddress === 'string') return configParams.iiqServerAddress;
+  return buildServerAddress('api', configParams.region);
+};
+
+export const iiqPixelServerAddress = (configParams = {}) => {
+  if (typeof configParams?.iiqPixelServerAddress === 'string') return configParams.iiqPixelServerAddress;
+  return buildServerAddress('sync', configParams.region);
+};
+
+export const reportingServerAddress = (reportEndpoint, region) => {
+  if (reportEndpoint && typeof reportEndpoint === 'string') return reportEndpoint;
+  const host = buildServerAddress('reports', region);
+  return `${host}/report`;
+};
diff --git a/libraries/intentIqUtils/urlUtils.js b/libraries/intentIqUtils/urlUtils.js
index 4cfb8273eab..78579aeb67d 100644
--- a/libraries/intentIqUtils/urlUtils.js
+++ b/libraries/intentIqUtils/urlUtils.js
@@ -1,5 +1,7 @@
-export function appendSPData (url, firstPartyData) {
-  const spdParam = firstPartyData?.spd ? encodeURIComponent(typeof firstPartyData.spd === 'object' ? JSON.stringify(firstPartyData.spd) : firstPartyData.spd) : '';
-  url += spdParam ? '&spd=' + spdParam : '';
-  return url
+export function appendSPData (url, partnerData) {
+  const spdParam = partnerData?.spd ? encodeURIComponent(typeof partnerData.spd === 'object' ? JSON.stringify(partnerData.spd) : partnerData.spd) : '';
+  if (!spdParam) {
+    return url;
+  }
+  return `${url}&spd=${spdParam}`;
 };
diff --git a/modules/intentIqAnalyticsAdapter.js b/modules/intentIqAnalyticsAdapter.js
index 946a13ae174..bf179d3e880 100644
--- a/modules/intentIqAnalyticsAdapter.js
+++ b/modules/intentIqAnalyticsAdapter.js
@@ -5,8 +5,9 @@ import { ajax } from '../src/ajax.js';
 import { EVENTS } from '../src/constants.js';
 import { detectBrowser } from '../libraries/intentIqUtils/detectBrowserUtils.js';
 import { appendSPData } from '../libraries/intentIqUtils/urlUtils.js';
-import { appendVrrefAndFui, getReferrer } from '../libraries/intentIqUtils/getRefferer.js';
+import { appendVrrefAndFui, getCurrentUrl, getRelevantRefferer } from '../libraries/intentIqUtils/getRefferer.js';
 import { getCmpData } from '../libraries/intentIqUtils/getCmpData.js';
+import { getUnitPosition } from '../libraries/intentIqUtils/getUnitPosition.js';
 import {
   VERSION,
   PREBID,
@@ -16,10 +17,12 @@ import { reportingServerAddress } from '../libraries/intentIqUtils/intentIqConfi
 import { handleAdditionalParams } from '../libraries/intentIqUtils/handleAdditionalParams.js';
 import { gamPredictionReport } from '../libraries/intentIqUtils/gamPredictionReport.js';
 import { defineABTestingGroup } from '../libraries/intentIqUtils/defineABTestingGroupUtils.js';
+import { getGlobal } from '../src/prebidGlobal.js';
 
 const MODULE_NAME = 'iiqAnalytics';
 const analyticsType = 'endpoint';
 const prebidVersion = '$prebid.version$';
+const pbjs = getGlobal();
 export const REPORTER_ID = Date.now() + '_' + getRandom(0, 1000);
 let globalName;
 let identityGlobalName;
@@ -70,10 +73,7 @@ const PARAMS_NAMES = {
 const DEFAULT_URL = 'https://reports.intentiq.com/report';
 
 const getDataForDefineURL = () => {
-  const cmpData = getCmpData();
-  const gdprDetected = cmpData.gdprString;
-
-  return [iiqAnalyticsAnalyticsAdapter.initOptions.reportingServerAddress, gdprDetected];
+  return [iiqAnalyticsAnalyticsAdapter.initOptions.reportingServerAddress, iiqAnalyticsAnalyticsAdapter.initOptions.region];
 };
 
 const getDefaultInitOptions = () => {
@@ -92,7 +92,8 @@ const getDefaultInitOptions = () => {
     abPercentage: null,
     abTestUuid: null,
     additionalParams: null,
-    reportingServerAddress: ''
+    reportingServerAddress: '',
+    region: ''
   }
 }
 
@@ -123,12 +124,13 @@ function initAdapterConfig(config) {
 
   const options = config?.options || {}
   iiqConfig = options
-  const { manualWinReportEnabled, gamPredictReporting, reportMethod, reportingServerAddress, adUnitConfig, partner, ABTestingConfigurationSource, browserBlackList, domainName, additionalParams } = options
+  const { manualWinReportEnabled, gamPredictReporting, reportMethod, reportingServerAddress, region, adUnitConfig, partner, ABTestingConfigurationSource, browserBlackList, domainName, additionalParams } = options
   iiqAnalyticsAnalyticsAdapter.initOptions.manualWinReportEnabled =
             manualWinReportEnabled || false;
   iiqAnalyticsAnalyticsAdapter.initOptions.reportMethod = parseReportingMethod(reportMethod);
   iiqAnalyticsAnalyticsAdapter.initOptions.gamPredictReporting = typeof gamPredictReporting === 'boolean' ? gamPredictReporting : false;
   iiqAnalyticsAnalyticsAdapter.initOptions.reportingServerAddress = typeof reportingServerAddress === 'string' ? reportingServerAddress : '';
+  iiqAnalyticsAnalyticsAdapter.initOptions.region = typeof region === 'string' ? region : '';
   iiqAnalyticsAnalyticsAdapter.initOptions.adUnitConfig = typeof adUnitConfig === 'number' ? adUnitConfig : 1;
   iiqAnalyticsAnalyticsAdapter.initOptions.configSource = ABTestingConfigurationSource;
   iiqAnalyticsAnalyticsAdapter.initOptions.currentGroup = defineABTestingGroup(options);
@@ -155,7 +157,7 @@ function receivePartnerData() {
       return false
     }
     iiqAnalyticsAnalyticsAdapter.initOptions.fpid = FPD
-    const { partnerData, clientsHints = '', actualABGroup } = window[identityGlobalName]
+    const { partnerData, clientHints = '', actualABGroup } = window[identityGlobalName]
 
     if (partnerData) {
       iiqAnalyticsAnalyticsAdapter.initOptions.dataIdsInitialized = true;
@@ -172,7 +174,7 @@ function receivePartnerData() {
     if (actualABGroup) {
       iiqAnalyticsAnalyticsAdapter.initOptions.currentGroup = actualABGroup;
     }
-    iiqAnalyticsAnalyticsAdapter.initOptions.clientsHints = clientsHints;
+    iiqAnalyticsAnalyticsAdapter.initOptions.clientHints = clientHints;
   } catch (e) {
     logError(e);
     return false;
@@ -268,9 +270,10 @@ function getRandom(start, end) {
 
 export function preparePayload(data) {
   const result = getDefaultDataObject();
+  const fullUrl = getCurrentUrl();
   result[PARAMS_NAMES.partnerId] = iiqAnalyticsAnalyticsAdapter.initOptions.partner;
   result[PARAMS_NAMES.prebidVersion] = prebidVersion;
-  result[PARAMS_NAMES.referrer] = getReferrer();
+  result[PARAMS_NAMES.referrer] = getRelevantRefferer(iiqAnalyticsAnalyticsAdapter.initOptions.domainName, fullUrl);
   result[PARAMS_NAMES.terminationCause] = iiqAnalyticsAnalyticsAdapter.initOptions.terminationCause;
   result[PARAMS_NAMES.clientType] = iiqAnalyticsAnalyticsAdapter.initOptions.clientType;
   result[PARAMS_NAMES.siteId] = iiqAnalyticsAnalyticsAdapter.initOptions.siteId;
@@ -345,6 +348,15 @@ function prepareData(data, result) {
   if (data.status) {
     result.status = data.status;
   }
+  if (data.size) {
+    result.size = data.size;
+  }
+  if (typeof data.pos === 'number') {
+    result.pos = data.pos;
+  } else if (data.adUnitCode) {
+    const pos = getUnitPosition(pbjs, data.adUnitCode);
+    if (typeof pos === 'number') result.pos = pos;
+  }
 
   result.prebidAuctionId = data.auctionId || data.prebidAuctionId;
 
@@ -410,6 +422,7 @@ function getDefaultDataObject() {
 function constructFullUrl(data) {
   const report = [];
   const reportMethod = iiqAnalyticsAnalyticsAdapter.initOptions.reportMethod;
+  const partnerData = window[identityGlobalName]?.partnerData;
   const currentBrowserLowerCase = detectBrowser();
   data = btoa(JSON.stringify(data));
   report.push(data);
@@ -432,11 +445,11 @@ function constructFullUrl(data) {
         '&source=' +
         PREBID +
         '&uh=' +
-        encodeURIComponent(iiqAnalyticsAnalyticsAdapter.initOptions.clientsHints) +
+        encodeURIComponent(iiqAnalyticsAnalyticsAdapter.initOptions.clientHints) +
         (cmpData.uspString ? '&us_privacy=' + encodeURIComponent(cmpData.uspString) : '') +
         (cmpData.gppString ? '&gpp=' + encodeURIComponent(cmpData.gppString) : '') +
         (cmpData.gdprString ? '&gdpr_consent=' + encodeURIComponent(cmpData.gdprString) + '&gdpr=1' : '&gdpr=0');
-  url = appendSPData(url, iiqAnalyticsAnalyticsAdapter.initOptions.fpid);
+  url = appendSPData(url, partnerData);
   url = appendVrrefAndFui(url, iiqAnalyticsAnalyticsAdapter.initOptions.domainName);
 
   if (reportMethod === 'POST') {
diff --git a/modules/intentIqAnalyticsAdapter.md b/modules/intentIqAnalyticsAdapter.md
index 42f6167c33b..c691496df59 100644
--- a/modules/intentIqAnalyticsAdapter.md
+++ b/modules/intentIqAnalyticsAdapter.md
@@ -45,11 +45,8 @@ pbjs.enableAnalytics({
     provider: 'iiqAnalytics',
     options: {
         partner: 1177538,
-        manualWinReportEnabled: false,
-        reportMethod: "GET",
-        adUnitConfig: 1,
+        ABTestingConfigurationSource: 'IIQServer',
         domainName: "currentDomain.com",
-        gamPredictReporting: false
     }
 });
 ```
@@ -90,7 +87,9 @@ originalCpm: 1.5, // Original CPM value.
 originalCurrency: 'USD', // Original currency.
 status: 'rendered', // Auction status, e.g., 'rendered'.
 placementId: 'div-1' // ID of the ad placement.
-adType: 'banner' // Specifies the type of ad served
+adType: 'banner', // Specifies the type of ad served,
+size: '320x250', // Size of adUnit item,
+pos: 0 // The following values are defined in the ORTB 2.5 spec
 }
 ```
 
@@ -108,6 +107,8 @@ adType: 'banner' // Specifies the type of ad served
 | status              | String    | Status of the impression. Leave empty or undefined if Prebid is not the bidding platform                                                          | rendered                      | No        |
 | placementId         | String    | Unique identifier of the ad unit on the webpage that showed this ad                                                                               | div-1                         | No        |
 | adType              | String    | Specifies the type of ad served. Possible values: “banner“, “video“, “native“, “audio“.                                                           | banner                        | No        |
+| size              | String    | Size of adUnit item                                                           | '320x250'                        | No        |
+| pos              | number    | The pos field specifies the position of the adUnit on the page according to the OpenRTB 2.5 specification                                                           | 0                        | No        |
 
 To report the auction win, call the function as follows:
 
diff --git a/modules/intentIqIdSystem.js b/modules/intentIqIdSystem.js
index e10c19f1888..85d459d1c14 100644
--- a/modules/intentIqIdSystem.js
+++ b/modules/intentIqIdSystem.js
@@ -5,25 +5,25 @@
  * @requires module:modules/userId
  */
 
-import {logError, isPlainObject, isStr, isNumber} from '../src/utils.js';
-import {ajax} from '../src/ajax.js';
-import {submodule} from '../src/hook.js'
-import {detectBrowser} from '../libraries/intentIqUtils/detectBrowserUtils.js';
-import {appendSPData} from '../libraries/intentIqUtils/urlUtils.js';
+import { logError, isPlainObject, isStr, isNumber } from '../src/utils.js';
+import { ajax } from '../src/ajax.js';
+import { submodule } from '../src/hook.js'
+import { detectBrowser } from '../libraries/intentIqUtils/detectBrowserUtils.js';
+import { appendSPData } from '../libraries/intentIqUtils/urlUtils.js';
 import { isCHSupported } from '../libraries/intentIqUtils/chUtils.js'
-import {appendVrrefAndFui} from '../libraries/intentIqUtils/getRefferer.js';
+import { appendVrrefAndFui } from '../libraries/intentIqUtils/getRefferer.js';
 import { getCmpData } from '../libraries/intentIqUtils/getCmpData.js';
-import {readData, storeData, defineStorageType, removeDataByKey, tryParse} from '../libraries/intentIqUtils/storageUtils.js';
+import { readData, storeData, defineStorageType, removeDataByKey, tryParse } from '../libraries/intentIqUtils/storageUtils.js';
 import {
   FIRST_PARTY_KEY,
   CLIENT_HINTS_KEY,
   EMPTY,
   GVLID,
   VERSION, INVALID_ID, SYNC_REFRESH_MILL, META_DATA_CONSTANT, PREBID,
-  HOURS_24, CH_KEYS
+  HOURS_72, CH_KEYS
 } from '../libraries/intentIqConstants/intentIqConstants.js';
-import {SYNC_KEY} from '../libraries/intentIqUtils/getSyncKey.js';
-import {iiqPixelServerAddress, iiqServerAddress} from '../libraries/intentIqUtils/intentIqConfig.js';
+import { SYNC_KEY } from '../libraries/intentIqUtils/getSyncKey.js';
+import { iiqPixelServerAddress, getIiqServerAddress } from '../libraries/intentIqUtils/intentIqConfig.js';
 import { handleAdditionalParams } from '../libraries/intentIqUtils/handleAdditionalParams.js';
 import { decryptData, encryptData } from '../libraries/intentIqUtils/cryptionUtils.js';
 import { defineABTestingGroup } from '../libraries/intentIqUtils/defineABTestingGroupUtils.js';
@@ -81,7 +81,7 @@ function addUniquenessToUrl(url) {
   return url;
 }
 
-function appendFirstPartyData (url, firstPartyData, partnerData) {
+function appendFirstPartyData(url, firstPartyData, partnerData) {
   url += firstPartyData.pid ? '&pid=' + encodeURIComponent(firstPartyData.pid) : '';
   url += firstPartyData.pcid ? '&iiqidtype=2&iiqpcid=' + encodeURIComponent(firstPartyData.pcid) : '';
   url += firstPartyData.pcidDate ? '&iiqpciddate=' + encodeURIComponent(firstPartyData.pcidDate) : '';
@@ -93,7 +93,7 @@ function verifyIdType(value) {
   return -1;
 }
 
-function appendPartnersFirstParty (url, configParams) {
+function appendPartnersFirstParty(url, configParams) {
   const partnerClientId = typeof configParams.partnerClientId === 'string' ? encodeURIComponent(configParams.partnerClientId) : '';
   const partnerClientIdType = typeof configParams.partnerClientIdType === 'number' ? verifyIdType(configParams.partnerClientIdType) : -1;
 
@@ -105,7 +105,7 @@ function appendPartnersFirstParty (url, configParams) {
   return url;
 }
 
-function appendCMPData (url, cmpData) {
+function appendCMPData(url, cmpData) {
   url += cmpData.uspString ? '&us_privacy=' + encodeURIComponent(cmpData.uspString) : '';
   url += cmpData.gppString ? '&gpp=' + encodeURIComponent(cmpData.gppString) : '';
   url += cmpData.gdprApplies
@@ -114,7 +114,7 @@ function appendCMPData (url, cmpData) {
   return url
 }
 
-function appendCounters (url) {
+function appendCounters(url) {
   url += '&jaesc=' + encodeURIComponent(callCount);
   url += '&jafc=' + encodeURIComponent(failCount);
   url += '&jaensc=' + encodeURIComponent(noDataCount);
@@ -146,7 +146,7 @@ function addMetaData(url, data) {
   return url + '&fbp=' + data;
 }
 
-export function initializeGlobalIIQ (partnerId) {
+export function initializeGlobalIIQ(partnerId) {
   if (!globalName || !window[globalName]) {
     globalName = `iiq_identity_${partnerId}`
     window[globalName] = {}
@@ -171,7 +171,7 @@ export function createPixelUrl(firstPartyData, clientHints, configParams, partne
   url = appendCMPData(url, cmpData);
   url = addMetaData(url, sourceMetaDataExternal || sourceMetaData);
   url = handleAdditionalParams(browser, url, 0, configParams.additionalParams);
-  url = appendSPData(url, firstPartyData)
+  url = appendSPData(url, partnerData);
   url += '&source=' + PREBID;
   return url;
 }
@@ -184,7 +184,7 @@ function sendSyncRequest(allowedStorage, url, partner, firstPartyData, newUser)
     const needToDoSync = (Date.now() - (firstPartyData?.date || firstPartyData?.sCal || Date.now())) > SYNC_REFRESH_MILL
     if (newUser || needToDoSync) {
       ajax(url, () => {
-      }, undefined, {method: 'GET', withCredentials: true});
+      }, undefined, { method: 'GET', withCredentials: true });
       if (firstPartyData?.date) {
         firstPartyData.date = Date.now()
         storeData(FIRST_PARTY_KEY_FINAL, JSON.stringify(firstPartyData), allowedStorage, firstPartyData);
@@ -193,7 +193,7 @@ function sendSyncRequest(allowedStorage, url, partner, firstPartyData, newUser)
   } else if (!lastSyncDate || lastSyncElapsedTime > SYNC_REFRESH_MILL) {
     storeData(SYNC_KEY(partner), Date.now() + '', allowedStorage);
     ajax(url, () => {
-    }, undefined, {method: 'GET', withCredentials: true});
+    }, undefined, { method: 'GET', withCredentials: true });
   }
 }
 
@@ -208,9 +208,22 @@ export function setGamReporting(gamObjectReference, gamParameterName, userGroup,
   if (isBlacklisted) return;
   if (isPlainObject(gamObjectReference) && gamObjectReference.cmd) {
     gamObjectReference.cmd.push(() => {
-      gamObjectReference
-        .pubads()
-        .setTargeting(gamParameterName, userGroup);
+      if (typeof gamObjectReference.setConfig === 'function') {
+        const current = typeof gamObjectReference.getConfig === 'function'
+          ? gamObjectReference.getConfig('targeting')
+          : {};
+        gamObjectReference.setConfig({
+          targeting: {
+            ...(isPlainObject(current) ? current : {}),
+            [gamParameterName]: userGroup
+          }
+        });
+        return;
+      }
+      const pubads = gamObjectReference?.pubads?.();
+      if (pubads?.setTargeting) {
+        pubads.setTargeting(gamParameterName, userGroup);
+      }
     });
   }
 }
@@ -285,7 +298,7 @@ export const intentIqIdSubmodule = {
    * @returns {{intentIqId: {string}}|undefined}
    */
   decode(value) {
-    return value && INVALID_ID !== value ? {'intentIqId': value} : undefined;
+    return value && INVALID_ID !== value ? { 'intentIqId': value } : undefined;
   },
 
   /**
@@ -431,7 +444,7 @@ export const intentIqIdSubmodule = {
       }
     }
 
-    function updateGlobalObj () {
+    function updateGlobalObj() {
       if (globalName) {
         window[globalName].partnerData = partnerData
         window[globalName].firstPartyData = firstPartyData
@@ -442,8 +455,8 @@ export const intentIqIdSubmodule = {
 
     let hasPartnerData = !!Object.keys(partnerData).length;
     if (!isCMPStringTheSame(firstPartyData, cmpData) ||
-          !firstPartyData.sCal ||
-          (hasPartnerData && (!partnerData.cttl || !partnerData.date || Date.now() - partnerData.date > partnerData.cttl))) {
+      !firstPartyData.sCal ||
+      (hasPartnerData && (!partnerData.cttl || !partnerData.date || Date.now() - partnerData.date > partnerData.cttl))) {
       firstPartyData.uspString = cmpData.uspString;
       firstPartyData.gppString = cmpData.gppString;
       firstPartyData.gdprString = cmpData.gdprString;
@@ -454,7 +467,7 @@ export const intentIqIdSubmodule = {
     if (!shouldCallServer) {
       if (!hasPartnerData && !firstPartyData.isOptedOut) {
         shouldCallServer = true;
-      } else shouldCallServer = Date.now() > firstPartyData.sCal + HOURS_24;
+      } else shouldCallServer = Date.now() > firstPartyData.sCal + HOURS_72;
     }
 
     if (firstPartyData.isOptedOut) {
@@ -498,7 +511,7 @@ export const intentIqIdSubmodule = {
     updateGlobalObj() // update global object before server request, to make sure analytical adapter will have it even if the server is "not in time"
 
     // use protocol relative urls for http or https
-    let url = `${iiqServerAddress(configParams, gdprDetected)}/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=${configParams.partner}&pt=17&dpn=1`;
+    let url = `${getIiqServerAddress(configParams)}/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=${configParams.partner}&pt=17&dpn=1`;
     url += configParams.pai ? '&pai=' + encodeURIComponent(configParams.pai) : '';
     url = appendFirstPartyData(url, firstPartyData, partnerData);
     url = appendPartnersFirstParty(url, configParams);
@@ -511,7 +524,7 @@ export const intentIqIdSubmodule = {
     url += actualABGroup ? '&testGroup=' + encodeURIComponent(actualABGroup) : '';
     url = addMetaData(url, sourceMetaDataExternal || sourceMetaData);
     url = handleAdditionalParams(currentBrowserLowerCase, url, 1, additionalParams);
-    url = appendSPData(url, firstPartyData)
+    url = appendSPData(url, partnerData)
     url += '&source=' + PREBID;
     url += '&ABTestingConfigurationSource=' + configParams.ABTestingConfigurationSource
     url += '&abtg=' + encodeURIComponent(actualABGroup)
@@ -528,6 +541,9 @@ export const intentIqIdSubmodule = {
     const resp = function (callback) {
       const callbacks = {
         success: response => {
+          if (rrttStrtTime && rrttStrtTime > 0) {
+            partnerData.rrtt = Date.now() - rrttStrtTime;
+          }
           const respJson = tryParse(response);
           // If response is a valid json and should save is true
           if (respJson) {
@@ -542,7 +558,7 @@ export const intentIqIdSubmodule = {
             if (callbackTimeoutID) clearTimeout(callbackTimeoutID)
             if ('cttl' in respJson) {
               partnerData.cttl = respJson.cttl;
-            } else partnerData.cttl = HOURS_24;
+            } else partnerData.cttl = HOURS_72;
 
             if ('tc' in respJson) {
               partnerData.terminationCause = respJson.tc;
@@ -588,7 +604,7 @@ export const intentIqIdSubmodule = {
               } else {
                 // If data is a single string, assume it is an id with source intentiq.com
                 if (respJson.data && typeof respJson.data === 'string') {
-                  respJson.data = {eids: [respJson.data]}
+                  respJson.data = { eids: [respJson.data] }
                 }
               }
               partnerData.data = respJson.data;
@@ -604,7 +620,7 @@ export const intentIqIdSubmodule = {
 
             if ('spd' in respJson) {
               // server provided data
-              firstPartyData.spd = respJson.spd;
+              partnerData.spd = respJson.spd;
             }
 
             if ('abTestUuid' in respJson) {
@@ -620,10 +636,6 @@ export const intentIqIdSubmodule = {
               delete partnerData.gpr // remove prediction flag in case server doesn't provide it
             }
 
-            if (rrttStrtTime && rrttStrtTime > 0) {
-              partnerData.rrtt = Date.now() - rrttStrtTime;
-            }
-
             if (respJson.data?.eids) {
               runtimeEids = respJson.data
               callback(respJson.data.eids);
@@ -648,12 +660,13 @@ export const intentIqIdSubmodule = {
           callback(runtimeEids);
         }
       };
-      rrttStrtTime = Date.now();
 
       partnerData.wsrvcll = true;
       storeData(PARTNER_DATA_KEY, JSON.stringify(partnerData), allowedStorage, firstPartyData);
       clearCountersAndStore(allowedStorage, partnerData);
 
+      rrttStrtTime = Date.now();
+
       const sendAjax = uh => {
         if (uh) url += '&uh=' + encodeURIComponent(uh);
         ajax(url, callbacks, undefined, { method: 'GET', withCredentials: true });
@@ -675,7 +688,7 @@ export const intentIqIdSubmodule = {
         sendAjax('');
       }
     };
-    const respObj = {callback: resp};
+    const respObj = { callback: resp };
 
     if (runtimeEids?.eids?.length) respObj.id = runtimeEids.eids;
     return respObj
diff --git a/modules/intentIqIdSystem.md b/modules/intentIqIdSystem.md
index 7597ba90fbf..2465f8cbf6f 100644
--- a/modules/intentIqIdSystem.md
+++ b/modules/intentIqIdSystem.md
@@ -56,6 +56,7 @@ Please find below list of parameters that could be used in configuring Intent IQ
 | params. ABTestingConfigurationSource| Optional | String | Determines how AB group will be defined. Possible values: `"IIQServer"` – group defined by IIQ server, `"percentage"` – generated group based on abPercentage, `"group"` – define group based on value provided by partner. | `IIQServer` |
 | params.abPercentage | Optional | Number | Percentage for A/B testing group. Default value is `95` | `95` |
 | params.group | Optional | String | Define group provided by partner, possible values: `"A"`, `"B"` | `"A"` |
+| params.region  | Optional | String | Optional region identifier used to automatically build server endpoints. When specified, region-specific endpoints will be used. (`gdpr`,`emea`, `apac`) | `"gdpr"` |
 | params.additionalParams | Optional | Array | This parameter allows sending additional custom key-value parameters with specific destination logic (sync, VR, winreport). Each custom parameter is defined as an object in the array. | `[ { parameterName: “abc”, parameterValue: 123, destination: [1,1,0] } ]` |
 | params.additionalParams [0].parameterName | Required | String | Name of the custom parameter. This will be sent as a query parameter. | `"abc"` |
 | params.additionalParams [0].parameterValue | Required | String / Number | Value to assign to the parameter. | `123` |
@@ -72,6 +73,7 @@ pbjs.setConfig({
                 partner: 123456,     // valid partner id
                 timeoutInMillis: 500,
                 browserBlackList: "chrome",
+                ABTestingConfigurationSource: 'IIQServer',
                 callback: (data) => {...}, // your logic here
                 groupChanged: (group) => console.log('Group is', group),
                 domainName: "currentDomain.com",
@@ -80,7 +82,8 @@ pbjs.setConfig({
                 sourceMetaData: "123.123.123.123", // Optional parameter
                 sourceMetaDataExternal: 123456, // Optional parameter
                 chTimeout: 10, // Optional parameter
-                abPercentage: 95 //Optional parameter
+                abPercentage: 95, // Optional parameter
+                region: "gdpr", // Optional parameter 
                 additionalParams: [ // Optional parameter
                     {
                       parameterName: "abc",
diff --git a/test/spec/modules/intentIqAnalyticsAdapter_spec.js b/test/spec/modules/intentIqAnalyticsAdapter_spec.js
index e93b6ec1915..8389ca4a644 100644
--- a/test/spec/modules/intentIqAnalyticsAdapter_spec.js
+++ b/test/spec/modules/intentIqAnalyticsAdapter_spec.js
@@ -2,8 +2,10 @@ import { expect } from "chai";
 import iiqAnalyticsAnalyticsAdapter from "modules/intentIqAnalyticsAdapter.js";
 import * as utils from "src/utils.js";
 import { server } from "test/mocks/xhr.js";
+import { config } from "src/config.js";
 import { EVENTS } from "src/constants.js";
 import * as events from "src/events.js";
+import { getGlobal } from "../../../src/prebidGlobal.js";
 import sinon from "sinon";
 import {
   REPORTER_ID,
@@ -20,7 +22,7 @@ import {
 } from "../../../libraries/intentIqConstants/intentIqConstants.js";
 import * as detectBrowserUtils from "../../../libraries/intentIqUtils/detectBrowserUtils.js";
 import {
-  getReferrer,
+  getCurrentUrl,
   appendVrrefAndFui,
 } from "../../../libraries/intentIqUtils/getRefferer.js";
 import {
@@ -29,7 +31,10 @@ import {
   gdprDataHandler,
 } from "../../../src/consentHandler.js";
 
+let getConfigStub;
+let userIdConfigForTest;
 const partner = 10;
+const identityName = `iiq_identity_${partner}`
 const defaultIdentityObject = {
   firstPartyData: {
     pcid: "f961ffb1-a0e1-4696-a9d2-a21d815bd344",
@@ -41,8 +46,7 @@ const defaultIdentityObject = {
     sCal: Date.now() - 36000,
     isOptedOut: false,
     pid: "profile",
-    dbsaved: "true",
-    spd: "spd",
+    dbsaved: "true"
   },
   partnerData: {
     abTestUuid: "abTestUuid",
@@ -53,7 +57,7 @@ const defaultIdentityObject = {
     profile: "profile",
     wsrvcll: true,
   },
-  clientHints: {
+  clientHints: JSON.stringify({
     0: '"Chromium";v="142", "Google Chrome";v="142", "Not_A Brand";v="99"',
     1: "?0",
     2: '"macOS"',
@@ -62,8 +66,30 @@ const defaultIdentityObject = {
     6: '"15.6.1"',
     7: "?0",
     8: '"Chromium";v="142.0.7444.60", "Google Chrome";v="142.0.7444.60", "Not_A Brand";v="99.0.0.0"',
-  },
+  }),
 };
+const regionCases = [
+  {
+    name: 'default (no region)',
+    region: undefined,
+    expectedEndpoint: 'https://reports.intentiq.com/report'
+  },
+  {
+    name: 'apac',
+    region: 'apac',
+    expectedEndpoint: 'https://reports-apac.intentiq.com/report'
+  },
+  {
+    name: 'emea',
+    region: 'emea',
+    expectedEndpoint: 'https://reports-emea.intentiq.com/report'
+  },
+  {
+    name: 'gdpr',
+    region: 'gdpr',
+    expectedEndpoint: 'https://reports-gdpr.intentiq.com/report'
+  }
+]
 const version = VERSION;
 const REPORT_ENDPOINT = "https://reports.intentiq.com/report";
 const REPORT_ENDPOINT_GDPR = "https://reports-gdpr.intentiq.com/report";
@@ -78,6 +104,22 @@ const getDefaultConfig = () => {
   }
 }
 
+const getUserConfigWithReportingServerAddress = () => [
+  {
+    'name': 'intentIqId',
+    'params': {
+      'partner': partner,
+      'unpack': null,
+    },
+    'storage': {
+      'type': 'html5',
+      'name': 'intentIqId',
+      'expires': 60,
+      'refreshInSeconds': 14400
+    }
+  }
+];
+
 const getWonRequest = () => ({
   bidderCode: "pubmatic",
   width: 728,
@@ -131,6 +173,11 @@ describe("IntentIQ tests all", function () {
   beforeEach(function () {
     logErrorStub = sinon.stub(utils, "logError");
     sinon.stub(events, "getEvents").returns([]);
+
+    if (config.getConfig && config.getConfig.restore) {
+      config.getConfig.restore();
+    }
+
     iiqAnalyticsAnalyticsAdapter.initOptions = {
       lsValueInitialized: false,
       partner: null,
@@ -151,11 +198,12 @@ describe("IntentIQ tests all", function () {
       iiqAnalyticsAnalyticsAdapter.track.restore();
     }
     sinon.spy(iiqAnalyticsAnalyticsAdapter, "track");
-    window[`iiq_identity_${partner}`] = defaultIdentityObject;
+    window[identityName] = utils.deepClone(defaultIdentityObject);
   });
 
   afterEach(function () {
     logErrorStub.restore();
+    if (getConfigStub && getConfigStub.restore) getConfigStub.restore();
     if (getWindowSelfStub) getWindowSelfStub.restore();
     if (getWindowTopStub) getWindowTopStub.restore();
     if (getWindowLocationStub) getWindowLocationStub.restore();
@@ -272,26 +320,52 @@ describe("IntentIQ tests all", function () {
     expect(payloadDecoded).to.have.property("adType", externalWinEvent.adType);
   });
 
-  it("should send report to report-gdpr address if gdpr is detected", function () {
-    const gppStub = sinon
-      .stub(gppDataHandler, "getConsentData")
-      .returns({ gppString: '{"key1":"value1","key2":"value2"}' });
-    const uspStub = sinon
-      .stub(uspDataHandler, "getConsentData")
-      .returns("1NYN");
-    const gdprStub = sinon
-      .stub(gdprDataHandler, "getConsentData")
-      .returns({ consentString: "gdprConsent" });
+  it("should get pos from pbjs.adUnits when BID_WON has no pos", function () {
+    const pbjs = getGlobal();
+    const prevAdUnits = pbjs.adUnits;
 
-    events.emit(EVENTS.BID_WON, getWonRequest());
+    pbjs.adUnits = Array.isArray(pbjs.adUnits) ? pbjs.adUnits : [];
+    pbjs.adUnits.push({ code: "myVideoAdUnit", mediaTypes: { video: { pos: 777 } } });
+
+    enableAnalyticWithSpecialOptions({ manualWinReportEnabled: false });
+
+    events.emit(EVENTS.BID_WON, {
+      ...getWonRequest(),
+      adUnitCode: "myVideoAdUnit",
+      mediaType: "video"
+    });
 
-    expect(server.requests.length).to.be.above(0);
     const request = server.requests[0];
+    const payloadEncoded = new URL(request.url).searchParams.get("payload");
+    const payloadDecoded = JSON.parse(atob(JSON.parse(payloadEncoded)[0]));
 
-    expect(request.url).to.contain(REPORT_ENDPOINT_GDPR);
-    gppStub.restore();
-    uspStub.restore();
-    gdprStub.restore();
+    expect(payloadDecoded.pos).to.equal(777);
+
+    pbjs.adUnits = prevAdUnits;
+  });
+
+  it("should get pos from reportExternalWin when present", function () {
+    enableAnalyticWithSpecialOptions({ manualWinReportEnabled: true });
+
+    const winPos = 999;
+
+    window[`intentIqAnalyticsAdapter_${partner}`].reportExternalWin({
+      adUnitCode: "myVideoAdUnit",
+      bidderCode: "appnexus",
+      cpm: 1.5,
+      currency: "USD",
+      mediaType: "video",
+      size: "300x250",
+      status: "rendered",
+      auctionId: "auc123",
+      pos: winPos
+    });
+
+    const request = server.requests[0];
+    const payloadEncoded = new URL(request.url).searchParams.get("payload");
+    const payloadDecoded = JSON.parse(atob(JSON.parse(payloadEncoded)[0]));
+
+    expect(payloadDecoded.pos).to.equal(winPos);
   });
 
   it("should initialize with default configurations", function () {
@@ -319,6 +393,9 @@ describe("IntentIQ tests all", function () {
   });
 
   it("should handle BID_WON event with default group configuration", function () {
+    const spdData = "server provided data";
+    const expectedSpdEncoded = encodeURIComponent(spdData);
+    window[identityName].partnerData.spd = spdData;
     const wonRequest = getWonRequest();
 
     events.emit(EVENTS.BID_WON, wonRequest);
@@ -331,7 +408,7 @@ describe("IntentIQ tests all", function () {
     const payload = encodeURIComponent(JSON.stringify([base64String]));
     const expectedUrl = appendVrrefAndFui(
       REPORT_ENDPOINT +
-        `?pid=${partner}&mct=1&iiqid=${defaultIdentityObject.firstPartyData.pcid}&agid=${REPORTER_ID}&jsver=${version}&source=pbjs&uh=&gdpr=0&spd=spd`,
+      `?pid=${partner}&mct=1&iiqid=${defaultIdentityObject.firstPartyData.pcid}&agid=${REPORTER_ID}&jsver=${version}&source=pbjs&uh=${encodeURIComponent(window[identityName].clientHints)}&gdpr=0&spd=${expectedSpdEncoded}`,
       iiqAnalyticsAnalyticsAdapter.initOptions.domainName
     );
     const urlWithPayload = expectedUrl + `&payload=${payload}`;
@@ -379,6 +456,22 @@ describe("IntentIQ tests all", function () {
     gdprStub.restore();
   });
 
+  regionCases.forEach(({ name, region, expectedEndpoint }) => {
+    it(`should send request to region-specific report endpoint when region is "${name}"`, function () {
+      userIdConfigForTest = getUserConfigWithReportingServerAddress();
+      getConfigStub = sinon.stub(config, "getConfig");
+      getConfigStub.withArgs("userSync.userIds").callsFake(() => userIdConfigForTest);
+
+      enableAnalyticWithSpecialOptions({ region });
+
+      events.emit(EVENTS.BID_WON, getWonRequest());
+
+      expect(server.requests.length).to.be.above(0);
+      const request = server.requests[0];
+      expect(request.url).to.contain(expectedEndpoint);
+    });
+  });
+
   it("should not send request if manualWinReportEnabled is true", function () {
     iiqAnalyticsAnalyticsAdapter.initOptions.manualWinReportEnabled = true;
     events.emit(EVENTS.BID_WON, getWonRequest());
@@ -417,7 +510,7 @@ describe("IntentIQ tests all", function () {
       .stub(utils, "getWindowLocation")
       .returns({ href: "http://localhost:9876/" });
 
-    const referrer = getReferrer();
+    const referrer = getCurrentUrl();
     expect(referrer).to.equal("http://localhost:9876/");
   });
 
@@ -428,7 +521,7 @@ describe("IntentIQ tests all", function () {
       .stub(utils, "getWindowTop")
       .returns({ location: { href: "http://example.com/" } });
 
-    const referrer = getReferrer();
+    const referrer = getCurrentUrl();
 
     expect(referrer).to.equal("http://example.com/");
   });
@@ -440,7 +533,7 @@ describe("IntentIQ tests all", function () {
       .stub(utils, "getWindowTop")
       .throws(new Error("Access denied"));
 
-    const referrer = getReferrer();
+    const referrer = getCurrentUrl();
     expect(referrer).to.equal("");
     expect(logErrorStub.calledOnce).to.be.true;
     expect(logErrorStub.firstCall.args[0]).to.contain(
@@ -528,6 +621,36 @@ describe("IntentIQ tests all", function () {
     expect(request.url).to.include("general=Lee");
   });
 
+  it("should include domainName in both query and payload when fullUrl is empty (cross-origin)", function () {
+    const domainName = "mydomain-frame.com";
+
+    enableAnalyticWithSpecialOptions({ domainName });
+
+    getWindowTopStub = sinon.stub(utils, "getWindowTop").throws(new Error("cross-origin"));
+
+    events.emit(EVENTS.BID_WON, getWonRequest());
+
+    const request = server.requests[0];
+
+    // Query contain vrref=domainName
+    const parsedUrl = new URL(request.url);
+    const vrrefParam = parsedUrl.searchParams.get("vrref");
+
+    // Payload contain vrref=domainName
+    const payloadEncoded = parsedUrl.searchParams.get("payload");
+    const payloadDecoded = JSON.parse(atob(JSON.parse(payloadEncoded)[0]));
+
+    expect(server.requests.length).to.be.above(0);
+    expect(vrrefParam).to.not.equal(null);
+    expect(decodeURIComponent(vrrefParam)).to.equal(domainName);
+    expect(parsedUrl.searchParams.get("fui")).to.equal("1");
+
+    expect(payloadDecoded).to.have.property("vrref");
+    expect(decodeURIComponent(payloadDecoded.vrref)).to.equal(domainName);
+
+    restoreReportList();
+  });
+
   it("should not send additionalParams in report if value is too large", function () {
     const longVal = "x".repeat(5000000);
 
@@ -550,8 +673,9 @@ describe("IntentIQ tests all", function () {
   it("should include spd parameter from LS in report URL", function () {
     const spdObject = { foo: "bar", value: 42 };
     const expectedSpdEncoded = encodeURIComponent(JSON.stringify(spdObject));
-    window[`iiq_identity_${partner}`].firstPartyData.spd =
+    window[identityName].firstPartyData.spd =
       JSON.stringify(spdObject);
+    window[identityName].partnerData.spd = spdObject;
 
     getWindowLocationStub = sinon
       .stub(utils, "getWindowLocation")
@@ -568,7 +692,7 @@ describe("IntentIQ tests all", function () {
   it("should include spd parameter string from LS in report URL", function () {
     const spdData = "server provided data";
     const expectedSpdEncoded = encodeURIComponent(spdData);
-    window[`iiq_identity_${partner}`].firstPartyData.spd = spdData;
+    window[identityName].partnerData.spd = spdData;
 
     getWindowLocationStub = sinon
       .stub(utils, "getWindowLocation")
diff --git a/test/spec/modules/intentIqIdSystem_spec.js b/test/spec/modules/intentIqIdSystem_spec.js
index 4b9afc38146..18dd0452943 100644
--- a/test/spec/modules/intentIqIdSystem_spec.js
+++ b/test/spec/modules/intentIqIdSystem_spec.js
@@ -123,6 +123,20 @@ const mockGAM = () => {
   };
 };
 
+const regionCases = [
+  { name: 'no region (default)', region: undefined, expected: 'https://api.intentiq.com' },
+  { name: 'apac', region: 'apac', expected: 'https://api-apac.intentiq.com' },
+  { name: 'emea', region: 'emea', expected: 'https://api-emea.intentiq.com' },
+  { name: 'gdpr', region: 'gdpr', expected: 'https://api-gdpr.intentiq.com' }
+];
+
+const syncRegionCases = [
+  { name: 'default', region: undefined, expected: 'https://sync.intentiq.com' },
+  { name: 'apac', region: 'apac', expected: 'https://sync-apac.intentiq.com' },
+  { name: 'emea', region: 'emea', expected: 'https://sync-emea.intentiq.com' },
+  { name: 'gdpr', region: 'gdpr', expected: 'https://sync-gdpr.intentiq.com' },
+];
+
 describe('IntentIQ tests', function () {
   this.timeout(10000);
   let sandbox;
@@ -597,7 +611,7 @@ describe('IntentIQ tests', function () {
   it('should send AT=20 request and send spd in it', async function () {
     const spdValue = { foo: 'bar', value: 42 };
     const encodedSpd = encodeURIComponent(JSON.stringify(spdValue));
-    localStorage.setItem(FIRST_PARTY_KEY, JSON.stringify({pcid: '123', spd: spdValue}));
+    localStorage.setItem(FIRST_PARTY_KEY + '_' + partner, JSON.stringify({pcid: '123', spd: spdValue}));
 
     intentIqIdSubmodule.getId({params: {
       partner: 10,
@@ -615,7 +629,7 @@ describe('IntentIQ tests', function () {
   it('should send AT=20 request and send spd string in it ', async function () {
     const spdValue = 'server provided data';
     const encodedSpd = encodeURIComponent(spdValue);
-    localStorage.setItem(FIRST_PARTY_KEY, JSON.stringify({pcid: '123', spd: spdValue}));
+    localStorage.setItem(FIRST_PARTY_KEY + '_' + partner, JSON.stringify({pcid: '123', spd: spdValue}));
 
     intentIqIdSubmodule.getId({params: {
       partner: 10,
@@ -634,7 +648,7 @@ describe('IntentIQ tests', function () {
     const spdValue = { foo: 'bar', value: 42 };
     const encodedSpd = encodeURIComponent(JSON.stringify(spdValue));
 
-    localStorage.setItem(FIRST_PARTY_KEY, JSON.stringify({ pcid: '123', spd: spdValue }));
+    localStorage.setItem(FIRST_PARTY_KEY + '_' + partner, JSON.stringify({ pcid: '123', spd: spdValue }));
 
     const callBackSpy = sinon.spy();
     const submoduleCallback = intentIqIdSubmodule.getId(defaultConfigParams).callback;
@@ -650,7 +664,7 @@ describe('IntentIQ tests', function () {
   it('should send spd string from firstPartyData in localStorage in at=39 request', async function () {
     const spdValue = 'spd string';
     const encodedSpd = encodeURIComponent(spdValue);
-    localStorage.setItem(FIRST_PARTY_KEY, JSON.stringify({ pcid: '123', spd: spdValue }));
+    localStorage.setItem(FIRST_PARTY_KEY + '_' + partner, JSON.stringify({ pcid: '123', spd: spdValue }));
 
     const callBackSpy = sinon.spy();
     const submoduleCallback = intentIqIdSubmodule.getId(defaultConfigParams).callback;
@@ -676,7 +690,7 @@ describe('IntentIQ tests', function () {
       JSON.stringify({ pid: 'test_pid', data: 'test_personid', ls: true, spd: spdValue })
     );
 
-    const storedLs = readData(FIRST_PARTY_KEY, ['html5', 'cookie'], storage);
+    const storedLs = readData(FIRST_PARTY_KEY + '_' + partner, ['html5', 'cookie'], storage);
     const parsedLs = JSON.parse(storedLs);
 
     expect(storedLs).to.not.be.null;
@@ -738,7 +752,7 @@ describe('IntentIQ tests', function () {
       expect(result).to.equal('unknown');
     });
 
-    it("Should call the server for new partner if FPD has been updated by other partner, and 24 hours have not yet passed.", async () => {
+    it("Should call the server for new partner if FPD has been updated by other partner, and 72 hours have not yet passed.", async () => {
       const allowedStorage = ['html5']
       const newPartnerId = 12345
       const FPD = {
@@ -759,7 +773,7 @@ describe('IntentIQ tests', function () {
       expect(request.url).contain("ProfilesEngineServlet?at=39") // server was called
     })
 
-    it("Should NOT call the server if FPD has been updated user Opted Out, and 24 hours have not yet passed.", async () => {
+    it("Should NOT call the server if FPD has been updated user Opted Out, and 72 hours have not yet passed.", async () => {
       const allowedStorage = ['html5']
       const newPartnerId = 12345
       const FPD = {
@@ -906,23 +920,15 @@ describe('IntentIQ tests', function () {
       expect(callbackArgument).to.deep.equal({ eids: [] }); // Ensure that runtimeEids was updated to { eids: [] }
     });
 
-    it('should make request to correct address api-gdpr.intentiq.com if gdpr is detected', async function() {
-      const ENDPOINT_GDPR = 'https://api-gdpr.intentiq.com';
-      mockConsentHandlers(uspData, gppData, gdprData);
-      const callBackSpy = sinon.spy();
-      const submoduleCallback = intentIqIdSubmodule.getId({...defaultConfigParams}).callback;
-
-      submoduleCallback(callBackSpy);
-      await waitForClientHints();
-      const request = server.requests[0];
-
-      expect(request.url).to.contain(ENDPOINT_GDPR);
-    });
-
     it('should make request to correct address with iiqServerAddress parameter', async function() {
-      defaultConfigParams.params.iiqServerAddress = testAPILink
+      const customParams = {
+        params: {
+          ...defaultConfigParams.params,
+          iiqServerAddress: testAPILink
+        }
+      };
       const callBackSpy = sinon.spy();
-      const submoduleCallback = intentIqIdSubmodule.getId({...defaultConfigParams}).callback;
+      const submoduleCallback = intentIqIdSubmodule.getId({...customParams}).callback;
 
       submoduleCallback(callBackSpy);
       await waitForClientHints();
@@ -949,6 +955,57 @@ describe('IntentIQ tests', function () {
       const request = server.requests[0];
       expect(request.url).to.contain(syncTestAPILink);
     });
+
+    regionCases.forEach(({ name, region, expected }) => {
+      it(`should use region-specific api endpoint when region is "${name}"`, async function () {
+        mockConsentHandlers(uspData, gppData, gdprData); // gdprApplies = true
+
+        const callBackSpy = sinon.spy();
+        const configWithRegion = {
+          params: {
+            ...defaultConfigParams.params,
+            region
+          }
+        };
+
+        const submoduleCallback = intentIqIdSubmodule.getId(configWithRegion).callback;
+        submoduleCallback(callBackSpy);
+        await waitForClientHints();
+
+        const request = server.requests[0];
+        expect(request.url).to.contain(expected);
+      });
+    });
+
+    syncRegionCases.forEach(({ name, region, expected }) => {
+      it(`should use region-specific sync endpoint when region is "${name}"`, async function () {
+        let wasCallbackCalled = false;
+
+        const callbackConfigParams = {
+          params: {
+            partner,
+            pai,
+            partnerClientIdType,
+            partnerClientId,
+            browserBlackList: 'Chrome',
+            region,
+            callback: () => {
+              wasCallbackCalled = true;
+            }
+          }
+        };
+
+        mockConsentHandlers(uspData, gppData, gdprData);
+
+        intentIqIdSubmodule.getId(callbackConfigParams);
+
+        await waitForClientHints();
+
+        const request = server.requests[0];
+        expect(request.url).to.contain(expected);
+        expect(wasCallbackCalled).to.equal(true);
+      });
+    });
   });
 
   it('should get and save client hints to storage', async () => {