diff --git a/conservancy_beancount/plugin/meta_payable_documentation.py b/conservancy_beancount/plugin/meta_payable_documentation.py
new file mode 100644
index 0000000000000000000000000000000000000000..b100ff5896d4371a6b292985d42d7046315f6805
--- /dev/null
+++ b/conservancy_beancount/plugin/meta_payable_documentation.py
@@ -0,0 +1,32 @@
+"""meta_payable_documentation - Validate payables have supporting docs"""
+# Copyright © 2020  Brett Smith
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from . import core
+from .. import config as configmod
+from .. import data
+from .. import errors as errormod
+from ..beancount_types import (
+    Transaction,
+)
+
+class MetaPayableDocumentation(core._RequireLinksPostingMetadataHook):
+    CHECKED_METADATA = ['invoice', 'contract']
+
+    def _run_on_post(self, txn: Transaction, post: data.Posting) -> bool:
+        if post.account.is_under('Liabilities:Payable'):
+            return not post.is_credit()
+        else:
+            return False