5.4 Where you are authorised by a business or organisation to submit claims or any other forms on behalf of that business or organisation you must:
5.4 Pan fyddwch wedi’ch awdurdodi gan fusnes neu sefydliad i gyflwyno Hawliadau neu unrhyw ffurflenni eraill ar ran y busnes neu’r sefydliad hwnnw rhaid ichi: