diff --git a/modules/event-grid/domain/MOVED-TO-AVM.md b/modules/event-grid/domain/MOVED-TO-AVM.md
new file mode 100644
index 0000000000..cec0941d12
--- /dev/null
+++ b/modules/event-grid/domain/MOVED-TO-AVM.md
@@ -0,0 +1 @@
+This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
diff --git a/modules/event-grid/domain/README.md b/modules/event-grid/domain/README.md
index 678b989436..b38969fef0 100644
--- a/modules/event-grid/domain/README.md
+++ b/modules/event-grid/domain/README.md
@@ -1,5 +1,7 @@
 # Event Grid Domains `[Microsoft.EventGrid/domains]`
 
+> This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
+
 This module deploys an Event Grid Domain.
 
 ## Navigation
diff --git a/modules/event-grid/system-topic/MOVED-TO-AVM.md b/modules/event-grid/system-topic/MOVED-TO-AVM.md
new file mode 100644
index 0000000000..cec0941d12
--- /dev/null
+++ b/modules/event-grid/system-topic/MOVED-TO-AVM.md
@@ -0,0 +1 @@
+This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
diff --git a/modules/event-grid/system-topic/README.md b/modules/event-grid/system-topic/README.md
index b901bdc3de..5c5801dfe9 100644
--- a/modules/event-grid/system-topic/README.md
+++ b/modules/event-grid/system-topic/README.md
@@ -1,5 +1,7 @@
 # Event Grid System Topics `[Microsoft.EventGrid/systemTopics]`
 
+> This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
+
 This module deploys an Event Grid System Topic.
 
 ## Navigation
diff --git a/modules/event-grid/topic/MOVED-TO-AVM.md b/modules/event-grid/topic/MOVED-TO-AVM.md
new file mode 100644
index 0000000000..cec0941d12
--- /dev/null
+++ b/modules/event-grid/topic/MOVED-TO-AVM.md
@@ -0,0 +1 @@
+This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
diff --git a/modules/event-grid/topic/README.md b/modules/event-grid/topic/README.md
index 2abc6b61c7..6fd7b92f69 100644
--- a/modules/event-grid/topic/README.md
+++ b/modules/event-grid/topic/README.md
@@ -1,5 +1,7 @@
 # Event Grid Topics `[Microsoft.EventGrid/topics]`
 
+> This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
+
 This module deploys an Event Grid Topic.
 
 ## Navigation