The responses received to the public consultations held by both the UK and Welsh Governments in 2016 to 2017 have shaped the development of the reforms.
Mae'r ymatebion a gafwyd i'r ymgynghoriadau cyhoeddus a gynhaliwyd gan Lywodraethau'r DU a Chymru yn 2016 i 2017 wedi siapio datblygiad y diwygiadau.