Ym mis Chwefror 2012, cyhoeddodd Llywodraeth Cymru a Defra ymgynghoriad ar y cyd ynghylch gweithredu’r diwygiadau i Ddeddf 1975. Daeth yr ymgynghoriad i ben ar 17 Mai 2012 ac mae’r ymatebion wrthi’n cael eu hystyried.
In February 2012 the Welsh Government and Defra published a joint consultation on the Implementation of the amendments to the 1975 Act.  The consultation closed on 17 May 2012 and responses are currently being considered.