diff --git a/incubation/rag/project.rag.md b/incubation/rag/project.rag.md
index 0d110a1..dc49db4 100644
--- a/incubation/rag/project.rag.md
+++ b/incubation/rag/project.rag.md
@@ -86,3 +86,4 @@
 - Crimson Leaf's executive roster architecture mandates consolidation of duplicates (e.g., Sovereign as sole Chief Architect absorbing Aris/Silas; Vance as sole Chief Capital Officer absorbing Elias) to enforce the 8-agent limit.
 - Internal portfolio assets (e.g., Galaxicus, MegaWars III) require a dedicated sovereign Tenant for conversion-focused UI/UX refreshes to avoid inefficiency in domain-specific product teams.
 - Crimson Leaf's executive department requires a dedicated Constitutional Chancellor to enforce the 95% adjudication threshold on all `create_company` proposals.
+- Interface Zero Tenant architecture mandates separation of conversion marketing layer (owned by Interface Zero) from product in-app utility layer (owned by product teams) to mitigate overlap risk.