diff --git a/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md b/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
index 7e426343..5cfbffa7 100644
--- a/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
+++ b/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
@@ -297,3 +297,6 @@ the principle that settles it, cited as "design 47 G A-n".
   never a clock wait. A process holder's act names no node, so two instances of the holder raise one ask.
 - **A-256** (corrects A-251's separator; principle 8) The finding's id is the owner, repository and branch joined by
   `/` and escaped as one key name (`keys.EscapeName`); a key holds no `~`.
+- **A-257** (A-249, A-253, A-254; principles 7 and 8) The tool runner sends a bundle's answer of a verb marked
+  `chunks` in chunks, from the whole file the bundle answers in its member `file`, the mirror of A-249: no bundle
+  sends chunks itself.