Do regulations 4 and 5 of the draft Regulations provide clarity on the circumstances in which two or more hereditaments are to be considered as contiguous with each other?
A yw rheoliadau 4 a 5 o'r rheoliadau drafft yn rhoi eglurder o ran yr amgylchiadau pan fo dau neu ragor o hereditamentau i'w hystyried yn gyffiniol â'i gilydd?