Would a member of the public, who knows the relevant facts, reasonably think your personal interest is so significant that it is likely to prejudice your judgement of the public interest?
Lle bo'n berthnasol, rydym yn defnyddio'r mathau canlynol o ddata personol sensitif (gelwir yn ddata categori arbennig) ar y sail bod hynny o fudd sylweddol i'r cyhoedd: