Meetings were held with the Northern Ireland Administration to discuss the lessons they have learned as well as their knowledge and expertise to help inform proposals.
Cynhaliwyd cyfarfodydd gyda Gweinyddiaeth Gogledd Iwerddon i drafod y gwersi y maen nhw wedi'u dysgu a chael eu gwybodaeth a'u harbenigedd er mwyn helpu i lywio'r cynigion.