diff --git a/modules/mesh-delivery-indexer/judge/busstate_test.go b/modules/mesh-delivery-indexer/judge/busstate_test.go
index a38f7943..bde31cfd 100644
--- a/modules/mesh-delivery-indexer/judge/busstate_test.go
+++ b/modules/mesh-delivery-indexer/judge/busstate_test.go
@@ -28,6 +28,18 @@ func TestBusStateIsJudgedOnce(t *testing.T) {
 		{"within bounds", manifest(`{"name":"cache","storage":"key-value","template":"state","options":{"history":8,"key-ttl":true}},` +
 			`{"name":"audit","storage":"stream","template":"log","options":{"max-mib":64,"max-age-days":365}},` +
 			`{"name":"files","storage":"object-store","template":"objects","options":{"max-mib":2048}},` + ledger), nil},
+		// Design 47: every kept data may say its form and its catch-up tool, in an old section and in `requires` by template,
+		// and is accepted as read; one saying neither reads as before.
+		{"a form and a catch-up tool on every kept kind", `{"module":"a","version":"1","tools":["a_take_in"],` +
+			`"state":["seen",{"name":"modules","form":1,"catch-up":"a_take_in"}],"logs":[{"name":"acts","form":2}],` +
+			`"streams":[{"name":"forge","events":["merged"],"form":1,"catch-up":"a_take_in"}],` +
+			`"objects":[{"name":"revisions","max-mib":64,"form":1,"catch-up":"a_take_in"}],"requires":[` +
+			`{"name":"holds","storage":"key-value","template":"state","form":1,"catch-up":"a_take_in"},` +
+			`{"name":"history","storage":"stream","template":"log","options":{"max-mib":64},"form":1},` +
+			`{"name":"marks","storage":"stream","template":"events","options":{"events":["seen"]},"form":1},` +
+			`{"name":"blobs","storage":"object-store","template":"objects","options":{"max-mib":64},"form":4,"catch-up":"a_take_in"},` +
+			`{"name":"records","storage":"ledger","template":"ledger","options":{"max-mib":512},"form":3,"catch-up":"a_take_in","types":[` +
+			`{"name":"decision","schema":{"title":{"type":"text"}},"operations":[{"name":"propose","effect":"set-fields","fields":["title"]}]}]}]}`, nil},
 		// 1966/AC7: each refused case, naming the module, the entry and the field
 		{"unknown storage type", manifest(`{"name":"x","storage":"tape"}`), []string{"a's bus state \"x\"", "storage type \"tape\""}},
 		{"unknown template", manifest(`{"name":"x","storage":"stream","template":"pile"}`), []string{"\"x\"", "template \"pile\""}},