diff --git a/proposals/2026-04-23/reg-cbn-2026-001-new_node/down.cypher b/proposals/2026-04-23/reg-cbn-2026-001-new_node/down.cypher
new file mode 100644
index 0000000..d66e893
--- /dev/null
+++ b/proposals/2026-04-23/reg-cbn-2026-001-new_node/down.cypher
@@ -0,0 +1,2 @@
+// rollback :: new_node :: urn:cab:compliance:l1:obligation/reg-cbn-2026-001
+MATCH (n:RegulatoryObligation {urn: 'urn:cab:compliance:l1:obligation/reg-cbn-2026-001'}) DETACH DELETE n;