The Welsh Government submitted a response to this consultation, and this was accompanied by a letter from the Minister for Finance and Local Government to the National Statistician, Sir Ian Diamond.
Cyflwynodd Llywodraeth Cymru ymateb i'r ymgynghoriad hwn, ac roedd llythyr gan y Gweinidog Cyllid a Llywodraeth Leol at yr Ystadegydd Cenedlaethol, Syr Ian Diamond, yn cyd-fynd â'r ymateb.