15. Section 29 of the Principal Act is amended—
(a) by omitting from subsections (1) and (4) “tourists” and substituting “sightseers”; and
(b) by omitting subsection (6) and substituting the following subsection:
“(6) In this section, a reference to the carriage of sightseers shall be read as a reference to the carriage of persons on a sightseeing tour.”.