Subject to the provisions of this Part of this Act, provision may be made by regulations as to the procedure on—
(a)applications for the grant of public service vehicle licences, road service licences and licences to drive, or act as conductor of, public service vehicles, and applications for the variation of conditions attached to road service licences,
(b)the determination of questions in connection with the grant, suspension and revocation of such licences and in connection with any such variation as aforesaid, and
(c)the surrender of licences,
and those regulations may make provision as to the particulars to be furnished and the persons to whom notices are to be given, the manner in which notices are to be published or served, and the manner in which objections or other representations with respect to the determination of such questions as aforesaid may be made.