Gwneir y Rheoliadau hyn gan yr Ysgrifennydd Gwladol drwy arfer pwerau a roddwyd gan Reoliadau Masnach mewn Anifeiliaid a Chynhyrchion Anifeiliaid (Swyddogaethau Deddfwriaethol) a Milfeddygon (Diwygio) (Ymadael â'r UE) 2019 (O.S. 2019/1225), yn benodol, rheoliad 7.
These Regulations are made by the Secretary of State in exercise of powers conferred by the Trade in Animals and Animal Products (Legislative Functions) and Veterinary Surgeons (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/1225), in particular, regulation 7.