The Memorandum of Understanding and Supplementary Agreements between the United Kingdom Government, The Scottish Ministers, the Welsh Ministers and Northern Ireland Executive Committee
Y Memorandwm Cyd-ddealltwriaeth a'r Cytundebau Atodol rhwng Llywodraeth y Deyrnas Unedig, Gweinidogion Cymru, Gweinidogion yr Alban a Phwyllgor Gweithrediaeth Gogledd Iwerddon