As a result of the Mathias review and its resultant actions the deadline for completing the review of Anglesey’s electoral arrangements could not be adhered to.
O ganlyniad i adolygiad Mathias, a’r camau a ddeilliodd o hwnnw, nid oedd yn bosibl cwblhau’r adolygiad o drefniadau etholiadol Ynys Môn mewn pryd.