79. In this Chapter—

“bye-law maker” means—

(a) the Commissioners, or

(b) a local authority;

“bye-laws” means—

(a) if the bye-law makers are the Commissioners, bye-laws under section 81(1), and

(b) if the bye-law maker is a local authority, bye-laws under section 81(2);

“event” includes any gathering, meeting, market, concert, festival, ceremony, celebration or commemoration;

“vehicle” includes any form of vehicle intended or designed for use on land or water or in the air and whether or not mechanically propelled.