The Hormonal Substances (Food Sources) (Animals) Regulations 1991
These Regulations enable an authorised officer of an enforcement authority (being the Minister of Agriculture, Fisheries and Food and the Secretary of State for Health and the Secretary of State for Wales in relation to England and Wales and the Secretary of State for Scotland in relation to Scotland)–to give notice in writing to the person in charge of an animal requiring him to detain the animal at the place where it then is until it has been inspected in order to ascertain whether it contains a prohibited substance (regulation 4);were it appears on such an inspection that a prohibited substance is present in an animal, to give notice in writing to the person in charge of the animal prohibiting any commercial operations from being carried out in respect of it and prohibiting it from being moved from the place where it has been detained until such notice is withdrawn (regulation 5); andwhere it appears on further investigation that a prohibited substance is present in an animal, to give notice in writing to the person in charge of the animal requiring it to be slaughtered in a specified manner and within a specified period (regulation 6(1)).