Rheoliadau Iechyd Anifeiliaid Dyfrol a Rhywogaethau Estron mewn Dyframaeth, Anifeiliaid, a Marchnata Hadau, Planhigion a Deunyddiau Lluosogi (Swyddogaethau Deddfwriaethol a Darpariaethau Amrywiol) (Diwygio) (Ymadael â’r UE) 2020
The Aquatic Animal Health and Alien Species in Aquaculture, Animals, and Marketing of Seed, Plant and Propagating Material (Legislative Functions and Miscellaneous Provisions) (Amendment) (EU Exit) Regulations 2020