Section 33 of the Principal Act is amended by inserting after subsection (2) the following subsections:(3) If a person provides a veterinary service for a person, each partner in the partnership who is a partner who caused or permitted the service to be provided by the person is guilty of an offence and is liable on summary conviction to a penalty not exceeding 50 penalty units.(a) who is not a registered veterinary surgeon; and(b) who is acting in the ordinary course of the business of a veterinary services partnership (4) It is a defence to a charge under subsection (3) against a partner if it is proved that the person who provided the veterinary service provided the service without the knowledge or consent of the partner.