diff --git a/modules/mesh-issues/cmd/mesh-issues/delivered_test.go b/modules/mesh-issues/cmd/mesh-issues/delivered_test.go
index cea93929..22a05f06 100644
--- a/modules/mesh-issues/cmd/mesh-issues/delivered_test.go
+++ b/modules/mesh-issues/cmd/mesh-issues/delivered_test.go
@@ -130,6 +130,25 @@ func TestANewerRevisionCoversTheOlderMergesOfItsRepositoryAsTheForgeSaysAncestry
 	if v, _ := h2.View(n); v.Delivery != "fix merged, not delivered: mesh-catalog#33" {
 		t.Fatalf("another repository's head covered it: %q", v.Delivery)
 	}
+	// 1280 (ADR 0556 clauses 3 and 6): the view's per-repository form, a repository's reached head with no group, delivers the
+	// merges at or before that head and not a later one.
+	h3 := newHarness(t)
+	reached, later := fixIssue(t, h3, "mesh-catalog#34"), fixIssue(t, h3, "mesh-catalog#35")
+	mergedFix(t, h3, 34, "feat/e", "6666666666660000")
+	mergedFix(t, h3, 35, "feat/f", "7777777777770000")
+	h3.Contains = func(_, _, commit, in string) (bool, error) {
+		return commit == "6666666666660000" && in == "8888888888880000", nil
+	}
+	raw, _ := json.Marshal(map[string]any{"revision": 15, "group": "", "repository": "novox/mesh-catalog",
+		"heads": map[string]string{"novox/mesh-catalog": "8888888888880000"}})
+	if err := h3.OnDelivered(stdio.Envelope{Key: DeliveredEvent, Body: raw}); err != nil {
+		t.Fatal(err)
+	}
+	for n, want := range map[uint64]string{reached: "delivered to every machine it should reach", later: "fix merged, not delivered: mesh-catalog#35"} {
+		if v, _ := h3.View(n); v.Delivery != want {
+			t.Errorf("per repository: issue %d reads %q, wanted %q", n, v.Delivery, want)
+		}
+	}
 }
 
 // A fix kept with only its merged flag (heard through `checks`, or kept before release 6) is matched to a delivered revision
diff --git a/modules/mesh-issues/cmd/mesh-issues/delivery.go b/modules/mesh-issues/cmd/mesh-issues/delivery.go
index b09e1fc7..bd21bcfc 100644
--- a/modules/mesh-issues/cmd/mesh-issues/delivery.go
+++ b/modules/mesh-issues/cmd/mesh-issues/delivery.go
@@ -429,7 +429,8 @@ const DeliveredEvent = "mesh-delivery-view.delivered"
 // group moved, or whose merge is the head the revision holds for its repository, reached the machines at that revision. The same
 // revision twice changes nothing (a delivered fix stays delivered). A fix is matched by the group it merged in, by its own merge
 // commit, or because its merge is an ancestor of the head the revision holds for its repository (coveredBy): a newer revision
-// covers the older ones, which the view may never have said.
+// covers the older ones, which the view may never have said. The view also says each repository's reached head in this form,
+// with no group and that repository's head alone (novox/hq ADR 0556 clause 3): a merge at or before it is on the machines.
 func (t *Tracker) OnDelivered(e stdio.Envelope) error {
 	var body struct {
 		Revision uint64            `json:"revision"`