diff --git a/agent.py b/agent.py
index 5555f72..78844ac 100644
--- a/agent.py
+++ b/agent.py
@@ -333,9 +333,8 @@ def _extract_deadlines(text: str) -> list[ExtractedDeadline]:
                     )
                 )
                 seen.add(("notice", notice_date))
-    deadlines.sort(key=lambda item: (item.deadline_date, item.kind != "notice"))
-    # Public contract wants renewal before derived notice for the same clause.
-    deadlines.sort(key=lambda item: 0 if item.kind == "renewal" else 1)
+    # Public contract wants renewal before the derived notice date for a clause.
+    deadlines.sort(key=_deadline_sort_key)
     return deadlines