diff --git a/src/azure-cli/azure/cli/command_modules/role/_help.py b/src/azure-cli/azure/cli/command_modules/role/_help.py
index eb2b0ff7e1d..96fcffb8ff2 100644
--- a/src/azure-cli/azure/cli/command_modules/role/_help.py
+++ b/src/azure-cli/azure/cli/command_modules/role/_help.py
@@ -773,7 +773,15 @@
 helps['role assignment list'] = """
 type: command
 short-summary: List role assignments.
-long-summary: By default, only assignments scoped to subscription will be displayed. To view assignments scoped by resource or group, use `--all`.
+long-summary: >-
+    By default, only assignments scoped to subscription will be displayed.
+    To view assignments scoped by resource or group, use `--all`.
+
+
+    [WARNING] Azure classic subscription administrators will be retired on August 31, 2024.
+    After August 31, 2024, all classic administrators risk losing access to the subscription.
+    Delete classic administrators who no longer need access or assign an Azure RBAC role for fine-grained access
+    control. Learn more: https://go.microsoft.com/fwlink/?linkid=2238474
 """
 
 helps['role assignment list-changelogs'] = """
diff --git a/src/azure-cli/azure/cli/command_modules/role/_params.py b/src/azure-cli/azure/cli/command_modules/role/_params.py
index b71a525d090..48fa2b07e6f 100644
--- a/src/azure-cli/azure/cli/command_modules/role/_params.py
+++ b/src/azure-cli/azure/cli/command_modules/role/_params.py
@@ -314,7 +314,9 @@ def load_arguments(self, _):
                    "managed identities. For managed identities use the principal id. For service principals, "
                    "use the object id and not the app id.")
         c.argument('ids', nargs='+', help='space-separated role assignment ids')
-        c.argument('include_classic_administrators', arg_type=get_three_state_flag(), help='list default role assignments for subscription classic administrators, aka co-admins')
+        c.argument('include_classic_administrators', arg_type=get_three_state_flag(),
+                   help='list default role assignments for subscription classic administrators, aka co-admins',
+                   deprecate_info=c.deprecate(target='--include-classic-administrators'))
         c.argument('description', is_preview=True, min_api='2020-04-01-preview', help='Description of role assignment.')
         c.argument('condition', is_preview=True, min_api='2020-04-01-preview', help='Condition under which the user can be granted permission.')
         c.argument('condition_version', is_preview=True, min_api='2020-04-01-preview', help='Version of the condition syntax. If --condition is specified without --condition-version, default to 2.0.')
diff --git a/src/azure-cli/azure/cli/command_modules/role/custom.py b/src/azure-cli/azure/cli/command_modules/role/custom.py
index 14197c294a6..ea087f35189 100644
--- a/src/azure-cli/azure/cli/command_modules/role/custom.py
+++ b/src/azure-cli/azure/cli/command_modules/role/custom.py
@@ -50,6 +50,12 @@
     "The output includes credentials that you must protect. Be sure that you do not include these credentials in "
     "your code or check the credentials into your source control. For more information, see https://aka.ms/azadsp-cli")
 
+CLASSIC_ADMINISTRATOR_WARNING = (
+    "Azure classic subscription administrators will be retired on August 31, 2024. "
+    "After August 31, 2024, all classic administrators risk losing access to the subscription. "
+    "Delete classic administrators who no longer need access or assign an Azure RBAC role for fine-grained access "
+    "control. Learn more: https://go.microsoft.com/fwlink/?linkid=2238474")
+
 logger = get_logger(__name__)
 
 # pylint: disable=too-many-lines, protected-access
@@ -213,6 +219,9 @@ def list_role_assignments(cmd, assignee=None, role=None, resource_group_name=Non
     :param include_groups: include extra assignments to the groups of which the user is a
     member(transitively).
     '''
+    if include_classic_administrators:
+        logger.warning(CLASSIC_ADMINISTRATOR_WARNING)
+
     graph_client = _graph_client_factory(cmd.cli_ctx)
     authorization_client = _auth_client_factory(cmd.cli_ctx, scope)
     assignments_client = authorization_client.role_assignments