http://www.legislation.gov.uk/uksi/1996/2264/article/6/made

The Heads of Sheep and Goats Order 1996

Animal health

King's Printer of Acts of Parliament

2016-06-07

ANIMALS;ANIMAL HEALTH

This Order prohibits the sale for human consumption of any part of the head of a sheep or goat and of food containing any part of such heads. It also prohibits the sale of any part of the head of a sheep or goat for use in the preparation of food for sale for human consumption and the use of any part of such heads in the preparation of such food (article 3). The definition of “the head of a sheep or goat” does not include the tongue and the prohibitions do not apply to the heads of sheep and goats which were born, reared and slaughtered in Australia or New Zealand.