The Mutilations (Permitted Procedures) (England) Regulations 2007
Section 5 (1) and (2) of the Animal Welfare Act 2006 (c.45) makes it an offence to carry out, or to cause or, in specified circumstances, permit another person to carry out, a prohibited procedure on a protected animal. A prohibited procedure is one which involves interference with the sensitive tissues or bone structure of the animal, otherwise than for the purpose of its medical treatment (see section 5(3) of the Act).