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 5435806b..53c21bd7 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
@@ -131,3 +131,7 @@ names the principle that settles it, and is cited as "design 47 G A-n".
   `acts` with when it was said, and ended there on `owed.ended`, so `stalled` reads the unanswered ones.
   `approval-carried` and `approval-carried-open` are design lines (§542, §592), not left out: they are built, with the
   `pull-merged` and `pull-closed` consumes that clear the finding.
+- **A-36** (§622, §643, A-21, A-22; principle 7) As built in mesh-sdk a59ccad8: the Go package's `calls` are the four
+  words its calls need (`ledger-upkeep-calls`, `sent-objects-calls`, `put-sessions`, `finding-calls`), the npm package's
+  `finding-calls` alone; the npm package makes no session, so its `state.put` refuses a value over one chunk, naming
+  it. A-22 holds for TypeScript too: the TS follower keeps no plain-field `Finding` of its own beside the writer.