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 c7555817..2fee1462 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
@@ -351,3 +351,7 @@ names the principle that settles it, and is cited as "design 47 G A-n".
   the trunk's, taken per watched branch: `sourceFollow` takes `source.<branch>` for every watched branch, and the
   source path (`ApplySource`, the catch-up, the heads' take-in) runs with the branch as its argument, writing that
   branch's revision; the trunk is each registration's first branch, not a constant.
+- **A-91** (§26, §37, §700, Q-RN8; principle 7) The router's record value carries its `warrant` as §700 says: the
+  operator-channel contract's `AsksByAskerIDValue` gains the field. A step the module's policy does not name is no step
+  of its pipeline, so `Status` has no open question for it. The runner places a pipeline's steps when it starts it and
+  asks each build seat for its step, as its asking half; that half is built in G.