diff --git a/tests/cmc-upgrade-test.md b/tests/cmc-upgrade-test.md
index 61204c5..b101728 100644
--- a/tests/cmc-upgrade-test.md
+++ b/tests/cmc-upgrade-test.md
@@ -25,6 +25,16 @@ Validate CMC behavior across staged kernel upgrades on a cloned VM, including re
 - Exception: offline-host cleanup is not handled by that skill yet; use the MCP connection for offline-host removal.
 - Apply this rule to every relevant step in this procedure.
 
+## Red Hat Preflight (Global, Manual Tasks Only)
+- Apply this section when the test target is a Red Hat machine and the run is manually executed.
+- Do not apply this section to ATVM automation runs that already handle subscription flow.
+- Before running test steps on Red Hat, run:
+  - `subscription-manager remove --all`
+  - `subscription-manager unregister`
+  - `subscription-manager clean`
+  - `subscription-manager register --username "$REDHAT_SUBSCRIPTION_USER" --password "$REDHAT_SUBSCRIPTION_PASSWORD"`
+- Source credentials from `/home/aw/code/cds/.env.credentials.local`.
+
 ## Execution Mode (Global)
 - Run this test in continuous execution mode.
 - Do not pause for additional operator prompts between steps.