(5A) The regulations may prescribe the guards or fences with which any prescribed machine or machinery is to be fitted at the time it is sold or let on hire for use in a factory. (5) The regulations may make it an offence for any person to sell or let on hire, or as agent of the seller or hirer to cause or procure to be sold or let on hire, for use in a factory in New South Wales, or for any prescribed use in a factory in New South Wales, all machines or machinery, or any prescribed class or description of machines or machinery, not complying with such provisions of this Act or the regulations as are specified by the regulations so made. (4) Any person who sells or lets on hire or as agent of the seller or hirer causes or procures to be sold or let on hire, for use in a factory in New South Wales any machine or machinery intended to be driven by mechanical power and which does not comply with the requirements of subsection (1) or (2) shall be guilty of an offence against this Act. (3) A factory in which there is a contravention of this section shall be deemed not to be kept in conformity with this Part. (2) Every wheel or pulley which is part of the transmission machinery in a factory or of a machine driven or intended to be driven by mechanical power in a factory shall have a solid web or disc centre unless the wheel or pulley is totally encased or is in such a position as to be as safe as it would be if totally encased. (b) all spur and other toothed or friction gearing which does not require frequent adjustment while in motion shall be completely encased unless it is so situated as to be as safe as it would be if completely encased. (7) Nothing in this section shall apply to any building which is intended to be used primarily as a private dwelling-house. (6) Any person who after a notice has been served on him or her pursuant to this section in relation to the erection of any building or structural alterations or additions to any building does any work in connection with such erection, structural alterations or additions without the approval required by this section or not in conformity with such approval shall be guilty of an offence against this Act. (5) Where any application under this section has been approved, the erection of the building or structural alterations or additions to any building to which such approval relates shall be carried out to the satisfaction of the Authority in conformity with the plans and specifications thereof approved by the Authority. The decision of the Minister shall be final. (4) Where any application under this section is approved subject to conditions, or disapproved, the applicant may if dissatisfied with such decision appeal in the manner prescribed to the Minister. (3) The Authority shall consider such application and the plans and specifications accompanying it and may approve, or approve subject to conditions, or disapprove thereof. (b) be accompanied by two copies of the plans and specifications of the building, structural alterations or additions, as the case may be, one copy of which shall be retained by the Authority. (5) Sections 39, 40 and 41 of the Interpretation Act 1987 apply to a proclamation made under this section in the same way as they apply to a statutory rule within the meaning of that Act. (4) The Governor may, by proclamation as aforesaid, revoke, vary, or alter any proclamation published under the authority of this Act. (3) The Governor may, by proclamation as aforesaid, exempt, either wholly or in part, any factory or class of factories, or shop or class of shops, from the operation of Part 3, and such factory or class of factories, or shop or class of shops, shall thereupon be exempted as aforesaid. (b) all premises in which motor spirit is stored, or any class of such premises specified in the proclamation,and for the purpose of such provisions so specified all ships in or upon which the said work is carried out, or such premises or class of premises, as the case may be, shall be deemed to be factories, and in the case of a ship any person undertaking the said work shall be deemed to be the occupier of the factory.