Old copies of the Register will be kept for 15 years to allow for the checking of overseas voter applications, however public access is only allowed for the current Register.
Cedwir hen gopïau o'r Gofrestr am 15 mlynedd er mwyn caniatáu gwirio ceisiadau pleidleiswyr tramor, fodd bynnag, dim ond y Gofrestr bresennol y mae hawl gan y cyhoedd gael mynediad iddi.