xmlns:atom="http://www.w3.org/2005/Atom"
51. Mae Rheoliadau Difrod Amgylcheddol (Atal ac Adfer) (Cymru) 2009(1) wedi eu diwygio fel a ganlyn.
O.S. 2009/995 (Cy. 81) fel y'i diwygiwyd gan O.S. 2011/556 (C. 19), O.S. 2011/971 (Cy. 141), O.S. 2011/1043, O.S 2011/2131, O.S. 2012/630.