Persons breeding dogs or cats for sale or use for one of the purposes mentioned in paragraph 1, first sentence shall permanently identify the animals before weaning from their dams so that their identity can be established. Monkeys or lemurs must also be permanently identified after weaning or removal from their social groups. Anyone acquiring cats, dogs, monkeys or lemurs without identification with a view to their sale or use for one of the purposes referred to in paragraph h 1, first sentence, shall furnish proof that these animals are bred specifically for such purposes and shall identify them without delay.