Os ydych chi'n bwriadu ffeilio ffurflen bapur neu dalu gyda siec, efallai y bydd ychydig o oedi. Os yn bosibl, helpwch ni ac ystyriwch ffeilio neu dalu ar-lein.
If you are planning to file a paper return or pay by cheque, you may experience a small delay. If possible, please help us and consider filing or paying online.