diff --git a/distro/azurelinux.distro.tags.toml b/distro/azurelinux.distro.tags.toml
new file mode 100644
index 00000000000..5dd11222118
--- /dev/null
+++ b/distro/azurelinux.distro.tags.toml
@@ -0,0 +1,84 @@
+# This file defines Koji tags for the Azure Linux distribution.
+# Tags are used to group packages and images for building and release management.
+
+# RPM build tag configuration (maps to Koji tag extras for RPM builds)
+[distros.azurelinux-staging.rpms-build-tag]
+# Architectures this tag builds for
+arches = ["x86_64", "aarch64"]
+
+[distros.azurelinux-staging.rpms-build-tag.bootstrap]
+external-repositories = ["fedora-external", "fedora-external-updates"]
+
+# Mock build environment configuration (maps to Koji mock.* extras)
+[distros.azurelinux-staging.rpms-build-tag.mock]
+# parent = azl4-bootstrap-rpms-tag-20260307 (Will have to be injected by Control Tower)
+package-manager = "dnf5"
+new-chroot = false
+isolation = "simple"
+releasever = '43'
+
+# RPM macros injected into the buildroot (maps to Koji rpm.macro.* extras)
+[distros.azurelinux-staging.rpms-build-tag.rpm-macros]
+# dist = '.azl4~bootstrap.20260307' (Will have to be injected by Control Tower).
+distribution = 'Azure Linux'
+vendor = 'Microsoft Corporation'
+
+# Build groups — packages installed in the mock chroot (maps to Koji tag groups)
+[distros.azurelinux-staging.rpms-build-tag.groups]
+# Packages installed when building RPMs
+build = [
+    "bash",
+    "bzip2",
+    "coreutils",
+    "cpio",
+    "diffutils",
+    "fedora-release",
+    "findutils",
+    "gawk",
+    "gcc",
+    "gcc-c++",
+    "grep",
+    "gzip",
+    "make",
+    "patch",
+    "python",
+    "redhat-rpm-config",
+    "rpm-build",
+    "sed",
+    "shadow-utils",
+    "tar",
+    "unzip",
+    "utils-linux",
+    "which",
+    "xz",
+]
+# Packages installed when generating SRPMs from spec files
+srpm-build = [
+    "bash",
+    "fedora-release",
+    "fedpkg-minimal",
+    "git",
+    "redhat-rpm-config",
+    "rhpkg-simple",
+    "rpm-build",
+    "shadow-utils",
+]
+
+# Generic extra options — catch-all for Koji tag extras with typed-value resolution
+# [distros.azurelinux-staging.rpms-build-tag.extra-options]
+# releasever = { type = "distro-version", distro = "azurelinux" }
+# snapshot = { type = "timestamp", value = "2026-02-24T00:00:00-08:00" }
+# tag2distrepo = { type = "template", template = "azl4-%{releasever}-%{snapshot}" }
+
+[distros.azurelinux-staging.rpms-dest-tag]
+arches = ["x86_64", "aarch64"]
+
+[distros.azurelinux-staging.container-build-tag]
+arches = ["x86_64", "aarch64"]
+
+# Mock build environment configuration (maps to Koji mock.* extras)
+[distros.azurelinux-staging.container-build-tag.mock]
+package-manager = "dnf5"
+new-chroot = false
+isolation = "simple"
+releasever = '43'
diff --git a/distro/azurelinux.distro.toml b/distro/azurelinux.distro.toml
index e57a309507d..36f832c907f 100644
--- a/distro/azurelinux.distro.toml
+++ b/distro/azurelinux.distro.toml
@@ -1,6 +1,56 @@
 [distros.azurelinux]
 description = "Azure Linux"
 default-version = "4.0-stage1"
+branch = "toml/base/main"
+
+[distros.azurelinux-staging]
+description = "Azure Linux Staging Repo"
+default-version = "4.0-stage1"
+branch = "toml/overrides/azurelinux-staging/main"
+
+[[distros.azurelinux-staging.projects]]
+name = "base"
+type = "git"
+uri = "?"
+path = "projects/azurelinux/base"
+branch = "main"
+auth = false
+
+
+[distros.azurelinux-staging.inputs]
+# Upstream package repositories to pull SPECs at buildtime.
+upstream-git-repos = ["azl4-fedora-mirror"]
+# Where we will be retrieving source code for packages at buildtime.
+source-stores = ["main"]
+# Where we will be retrieving package dependencies at buildtime, configured in Koji as tag "external-repositories".
+package-repositories = ["fedora-external", "fedora-external-updates"]
+
+[distros.azurelinux-staging.outputs]
+# Upstream package repositories to pull SPECs at buildtime.
+package-repositories = ["azurelinux-staging-rpms"]
+source-stores = ["main"]
+# Where we will be retrieving source code for packages at buildtime.
+image-repositories = ["azurelinux-staging-images"]
+
+# [[resources.source-stores.main]]
+# type = "fedora-lookaside-cache"
+# uri = "https://azltempstaginglookaside.blob.core.windows.net/repo/pkgs/$pkg/$filename/$hashtype/$hash/$filename"
+
+# [[resources.package-repositories.fedora-external]]
+# name = "fedora-external"
+# type = "rpm-repository"
+# uri = "https://dl.fedoraproject.org/pub/fedora/linux/releases/43/Everything/$arch/os/"
+
+# [[resources.package-repositories.fedora-external-updates]]
+# name = "fedora-external-updates"
+# type = "rpm-repository"
+# uri = "https://dl.fedoraproject.org/pub/fedora/linux/updates/43/Everything/$arch/os/"
+
+# [[resources.upstream-git-repos.azl4-fedora-mirror]]
+# name = "azl4-fedora-mirror"
+# uri = "git://azl.src.kojiaks.internal/rpms/$pkg.git"
+
+# NOTE: The above resources are examples of how to define source stores and package repositories.
 
 #
 # Azure Linux 4.0 Stage1