From 3eaa669ab93176c305e15e303aa2793b37348c32 Mon Sep 17 00:00:00 2001
From: Stephen Waits <1+swaits@noreply.git.swaits.com>
Date: Sun, 11 Oct 2026 01:09:49 +0000
Subject: [PATCH] QBO formats for import/export; server-side receipt
 enforcement policy in MCP spec

---
 docs/receipt-store.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/receipt-store.md b/docs/receipt-store.md
index add8df9..05cc38c 100644
--- a/docs/receipt-store.md
+++ b/docs/receipt-store.md
@@ -31,6 +31,9 @@ the filing cabinet.
     plus `receipts`.
 - Documents filed via `books.file_document` and receipts via
   `books.attach_receipt` share the blob store; they differ only in metadata.
+- The store is policy-free: it records attachments faithfully. Whether a
+  posting *requires* a receipt is decided by the MCP layer's receipt policy
+  (`docs/mcp-interface.md`), which reads the `attachments` table.
 
 ## `ledger-store` (SQLite)