diff --git a/org-tools/governance/rules/conformance-rules.yml b/org-tools/governance/rules/conformance-rules.yml
index c50a56b..0f8092c 100644
--- a/org-tools/governance/rules/conformance-rules.yml
+++ b/org-tools/governance/rules/conformance-rules.yml
@@ -25,7 +25,12 @@ rules:
       - ".pre-commit-config.yaml"
       - "README.md"
       - "*.py"
+      - "common/**"
+      - "core/**"
+      - "framework/**"
+      - "platforms/**"
       - "pyproject.toml"
+      - "shopping/**"
       - "shopping-agent-test.json"
       - "test_data/**"
     requires:
diff --git a/org-tools/governance/tests/test_governance_config_parser.py b/org-tools/governance/tests/test_governance_config_parser.py
index e2410b0..34352e9 100644
--- a/org-tools/governance/tests/test_governance_config_parser.py
+++ b/org-tools/governance/tests/test_governance_config_parser.py
@@ -480,6 +480,31 @@ def test_ucp_rules_agent_markdown_globs(self):
             self.assertEqual(file_reqs[0].min_team, Team("devops-maintainers", 1))
             self.assertEqual(file_reqs[0].min_approvals, 2)
 
+    def test_conformance_rules_suite_directory_globs(self):
+        """Test that RFC #520 suite directories match infra_and_tooling, not fallback."""
+        rules_path = (
+            Path(__file__).resolve().parent.parent / "rules" / "conformance-rules.yml"
+        )
+        config = GovernanceConfigParser().parse_file(str(rules_path))
+        reqs = config.get_applicable_requirements(
+            [
+                "framework/base_test.py",
+                "framework/__init__.py",
+                "platforms/google.yaml",
+                "shopping/checkout_lifecycle_test.py",
+                "shopping/test_data/flower_shop/products.csv",
+                "common/webhook_test.py",
+                "core/discovery_test.py",
+                "runner.py",
+            ]
+        )
+        for filename, file_reqs in reqs.items():
+            self.assertEqual(
+                len(file_reqs), 1, f"Unexpected requirements for {filename}"
+            )
+            self.assertEqual(file_reqs[0].min_team, Team("devops-maintainers", 1))
+            self.assertEqual(file_reqs[0].min_approvals, 2)
+
 
 if __name__ == "__main__":
     unittest.main()