that no other dwelling that was intended to be a new main residence was acquired during the period between the sale of the former main residence and the acquisition of the new main residence
nad oes yr un annedd arall y bwriedid iddi fod yn brif breswylfa newydd wedi'i chaffael yn ystod y cyfnod rhwng gwerthu'r cyn brif breswylfa a chaffael y brif breswylfa newydd