At the end of section 12A of the Domestic Animals Act 1994 insert —
"(2) A person must not advertise, or cause to be advertised, a dog or cat for sale unless—
(a) the advertisement includes the unique number contained in the microchip contained in the prescribed permanent identification device implanted in the dog or cat; or
(b) the dog or cat is the subject of written veterinary advice that the health of the dog or cat is liable to be significantly prejudiced if it is implanted with a prescribed permanent identification device, in accordance with section 10D(2); or
(c) in the case of a registered domestic animal business, the advertisement includes the registered domestic animal business number and the name of the Council that issued the number.
Penalty: 5 penalty units.".