diff --git a/policies/sc-developer/base_arn.tf b/policies/sc-developer/base_arn.tf
new file mode 100644
index 0000000..5eba500
--- /dev/null
+++ b/policies/sc-developer/base_arn.tf
@@ -0,0 +1,3 @@
+locals {
+  all_account_arn_iam = format("arn:%v:%v::%v:%%v", data.aws_arn.current.partition, "iam", "*")
+}