Section 86 of the Principal Act is hereby amended -

(a) by the substitution for "The Commissioner may, with the consent of the Minister, make bye-laws" in subsection (2) of "The Minister may make regulations",

(b) by the substitution of "regulations" for "bye-laws" in subsection (3),

(c) by the substitution of "regulation" for "bye-law" in subsections (4) and (6), and

(d) by the substitution of the following subsection for subsection (5):

"(5) Where a person uses a mechanically propelled vehicle other than an omnibus in contravention of a regulation under this section, each of the following persons shall be guilty of an offence:

(a) the registered owner of the vehicle,

(b) if the vehicle is the subject of a hire-drive agreement on the occasion in question, the hirer under the agreement, and

(c) if the person using the vehicle on the occasion in question is not the registered owner or the hirer under a hire-drive agreement, the person so using the vehicle."