diff --git a/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md b/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
index 07f4495c..6fcfd8a0 100644
--- a/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
+++ b/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
@@ -668,3 +668,6 @@ names the principle that settles it, and is cited as "design 47 G A-n".
   unacknowledged message was delivered) into its module's own state `consumers` (history 1, a key per consumer) through
   one mesh-sdk helper, after each message it applies; the runner and the indexer use it, and their tools read that
   state.
+- **A-177** (design 46 approval mark §4; principle 7) mesh-sdk's compiled `catalogue.Verb` gains `NeedsApproval`,
+  copied by `SeatsFromDefinitions` from the definition, so the validator and every reader of the seat list read a
+  verb's mark from one place.