Rheoliadau Gwastraff a Thrwyddedu Amgylcheddol etc (Swyddogaethau Deddfwriaethol a Diwygio etc) (Ymadael â’r UE) 2020 (Rheoliadau 2020) (dolen allanol)
The Waste and Environmental Permitting etc. (Legislative Functions and Amendment etc.) (EU Exit) Regulations 2020 (external link)