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AWS cost-management documentation change

Service: cost-management · 2025-11-22 · Documentation low

File: cost-management/latest/userguide/coh-preferences.md

Summary

Added an Important note clarifying that 'after discounts' functionality is disabled for billing transfer source accounts, requiring validation of Reserved Instance/Savings Plans inventory

Security assessment

The change documents a feature limitation related to billing configuration but does not address security vulnerabilities or introduce security controls.

Diff

diff --git a/cost-management/latest/userguide/coh-preferences.md b/cost-management/latest/userguide/coh-preferences.md
index 60ec98cac..67652364e 100644
--- a//cost-management/latest/userguide/coh-preferences.md
+++ b//cost-management/latest/userguide/coh-preferences.md
@@ -21,0 +22,4 @@ You can customize how your estimated monthly savings are calculated. Savings est
+###### Important
+
+When you use billing transfer as a bill source account, the `after discounts` functionality is disabled and you can't enable it. Bill source accounts must validate rightsizing recommendations against their Reserved Instance and Savings Plans inventory to consider any unused commitment before making optimization decisions.
+