The remit for the review has been agreed by the Welsh Government and NLW, with the Welsh Government's Public Bodies Unit facilitating the work.
Mae cylch gorchwyl yr adolygiad, wedi cael ei gytuno ar y cyd gan Lywodraeth Cymru a LlGC, ac mae Uned Cyrff Cyhoeddus Llywodraeth Cymru wedi hwyluso’r gwaith.