Yn ogystal â’r cyfyngiadau yng Ngorchymyn 2010, rheoleiddir pysgota am gregyn bylchog ledled Cymru hefyd drwy is-ddeddfau’r hen Bwyllgorau Pysgodfeydd Môr. O dan yr Is-ddeddfau hynny, mae angen cael caniatâd i bysgota am gregyn bylchog o fewn 6 milltir forol i forlin Cymru. Yn sgil diddymu Pwyllgorau Pysgodfeydd Môr Cymru yn 2010, Gweinidogion Cymru sy’n rhoi’r caniatâd hwnnw erbyn hyn.
In addition to the restrictions set out in the 2010 Order, Scallop fishing around Wales is also regulated by byelaws of the former Sea Fisheries Committees. Under those Byelaws, authorisations are required to fish for scallops within 6nm of the Welsh coastline. Following the abolition of the Welsh Sea Fisheries Committees in 2010, those authorisations are now issued by the Welsh Ministers.