17. Identification of treated stock
(1) A person who is or becomes the owner of stock that have been treated with a prescribed substance shall ¾
(a) by means of the prescribed ear punch mark, ensure that the stock are and remain permanently identifiable; and
(b) make and keep in an approved manner and form, a record of ¾
(i) the number of treated stock that have been purchased, and the date and source of each purchase;
(ii) the number of treated stock that have been sold, the date of sale the person to whom each sale was made and the destination, if known, of the stock; and
(iii) the number of stock so owned that have been treated while on any property owned by that person.
(2) The record referred to in subregulation (1)(b) shall be kept in a place of safe custody by the person who is the owner of the stock at the time of treatment, and shall be retained for a period of 3 years after the last entry in it was made.