Sch 3 Pt 2 para 10
(1) The licence holder shall ensure that before any unmarked dog, cat or non-human primate is weaned at the place specified in the licence the animal is marked. The licence holder shall ensure that before any unmarked dog, cat or non-human primate that has not been weaned is transferred from the establishment to a place specified in another section 2C licence, the animal is marked unless it would not be reasonably practicable to do so. Where an unmarked dog, cat or non-human primate that has not been weaned is transferred to the establishment, the establishment shall maintain records attesting the identity and origin of the animal’s mother until the animal is marked. (2) The holder shall ensure that any unmarked cat, dog or non-human primate which is taken into the establishment after weaning shall be marked as soon as possible. (3) The holder shall ensure that where a dog, cat or primate at the establishment is marked it is done in the least painful manner possible. (4) The holder shall comply with any request made by the Secretary of State for an explanation of why any dog, cat or primate at the establishment has not been marked. (5) For the purpose of this condition, “ marked ” means provided with a permanent means of individual identification and “ unmarked ” refers to an animal that has not been provided with a permanent individual identification mark.