diff --git a/BUGS b/BUGS
index 2d96f75732770fc3505a2acae655dd503bda113f..0e9ff358205364c646ba7bbd15c5b3de9bfd7740 100644
--- a/BUGS
+++ b/BUGS
@@ -32,3 +32,9 @@ is not tested.
 6. XER decoding does not support integer (INTEGER, ENUMERATED) values
 outside the signed long range.
 
+7. XER codecs do not handle the identifiers in ENUMERATED, INTEGER and
+BIT STRING types. The problem is that it is unclear how to forward-compatibly
+handle the future extensions.
+
+
+