diff --git a/modules/mesh-delivery-indexer/internal/index/verdicts_test.go b/modules/mesh-delivery-indexer/internal/index/verdicts_test.go
index 09d6cf52..f8b1ab7e 100644
--- a/modules/mesh-delivery-indexer/internal/index/verdicts_test.go
+++ b/modules/mesh-delivery-indexer/internal/index/verdicts_test.go
@@ -358,7 +358,7 @@ func TestTheIndexerJudgesEveryManifestOnce(t *testing.T) {
 			t.Fatalf("the reads on the owners' state count %v", c.Reads)
 		}
 	}
-	// DLV-J1 (ADR 0619 §1, §3): a foundation part asking bus state in the new form is refused; the nine are the foundation.
+	// DLV-J1 (ADR 0619 §1, §3): a foundation part asking bus state in the new form is refused; the nine and the pipeline runner are the foundation.
 	cfg := hold("mesh-config", `{"module":"mesh-config","version":"1","requires":[{"name":"cache","storage":"key-value","template":"state"}]}`)
 	if _, err := ix.JudgeAll(ctx, map[string]bool{cfg: true}); err != nil {
 		t.Fatal(err)
@@ -367,8 +367,8 @@ func TestTheIndexerJudgesEveryManifestOnce(t *testing.T) {
 		t.Fatalf("mesh-config asking new-form bus state: %+v", v)
 	}
 	if !slices.Equal(judge.Foundation, []string{"nats", "mesh-grants", "mesh-delivery-indexer", "mesh-delivery-assigner", "node-tools",
-		"mesh-delivery-builder", "mesh-delivery-checker", "mesh-config", "mesh-vault"}) {
-		t.Fatalf("the foundation is %v, want exactly the nine of ADR 0619", judge.Foundation)
+		"mesh-delivery-builder", "mesh-delivery-checker", "mesh-config", "mesh-vault", "mesh-delivery-pipeline"}) {
+		t.Fatalf("the foundation is %v, want exactly the nine of ADR 0619 and the pipeline runner (ADR 0666 §4)", judge.Foundation)
 	}
 	late := hold("late", `{"module":"late","version":"1","logs":[{"name":"l"}]}`)
 	grants := hold("mesh-grants", `{"module":"mesh-grants","version":"2","logs":[{"name":"l"},{"name":"m"}]}`)
diff --git a/modules/mesh-delivery-indexer/judge/oldsections.go b/modules/mesh-delivery-indexer/judge/oldsections.go
index 91a2446d..a6da40ea 100644
--- a/modules/mesh-delivery-indexer/judge/oldsections.go
+++ b/modules/mesh-delivery-indexer/judge/oldsections.go
@@ -16,12 +16,13 @@ import (
 // OldSections are the sections of a manifest that keep bus state in the old forms.
 var OldSections = []string{"state", "logs", "streams", "objects"}
 
-// Foundation are the modules that keep using the old sections for good: exactly the nine parts the bus module's own
-// composition, assignments, build or delivery needs before it can answer (novox/hq ADR 0619 §1, §3): the bus module, the
-// grants part, the indexer, the assigner, the tool runner, the builder, the checker, mesh-config and the vault. Their new
-// state goes on their old sections too, so a foundation manifest asking bus state in the new form is refused.
+// Foundation are the modules that keep using the old sections for good: exactly the ten parts the bus module's own
+// composition, assignments, build or delivery needs before it can answer (novox/hq ADR 0619 §1, §3, as ADR 0666 §4 changes
+// them): the bus module, the grants part, the indexer, the assigner, the tool runner, the builder, the checker, mesh-config,
+// the vault and the pipeline runner, which runs the bus module's own pipeline. Their new state goes on their old sections
+// too, so a foundation manifest asking bus state in the new form is refused.
 var Foundation = []string{"nats", "mesh-grants", "mesh-delivery-indexer", "mesh-delivery-assigner", "node-tools",
-	"mesh-delivery-builder", "mesh-delivery-checker", "mesh-config", "mesh-vault"}
+	"mesh-delivery-builder", "mesh-delivery-checker", "mesh-config", "mesh-vault", "mesh-delivery-pipeline"}
 
 // ViewOwners are the two owners whose state every reader reads through their first views and read tools, never by a
 // `reads` entry (novox/hq ADR 0615 §1): CountOwnerReads counts what is left of those entries.