Dechreuodd y Comisiwn ei waith ym mis Rhagfyr 2017 ac ym mis Chwefror 2018 cyhoeddodd gais am dystiolaeth. Mae'r Comisiwn wedi cael mwy na 130 o gyflwyniadau ysgrifenedig, sydd wedi'u cyhoeddi ar eiwefan.
The Commission began its work in December 2017 and in February 2018 issued a call for evidence. The Commission has received over 130 written submissions which are published on itswebsite.