diff --git a/conservancy_beancount/data.py b/conservancy_beancount/data.py
index 33b036d45e26b61c91de4c12205ffff8f6e3f3d0..fbbdd4f0c167724ca297eec9e79728c08626534f 100644
--- a/conservancy_beancount/data.py
+++ b/conservancy_beancount/data.py
@@ -285,6 +285,12 @@ class Account(str):
                 return prefix
         return None
 
+    def keeps_balance(self) -> bool:
+        return self.is_under(
+            self._options_map['name_assets'],
+            self._options_map['name_liabilities'],
+        ) is not None
+
     def _find_part_slice(self, index: int) -> slice:
         if index < 0:
             raise ValueError(f"bad part index {index!r}")