You must keep all records and information you need to evidence you have provided complete and accurate information and have complied with your undertakings for 5 years.
Mae’n rhaid i chi gadw’r holl gofnodion a gwybodaeth sydd eu hangen arnoch i ddangos eich bod wedi darparu gwybodaeth gyflawn a chywir a’ch bod wedi cydymffurfio â’ch ymrwymiadau am chwe blynedd.