The Corporation, by notice published in the Government Gazette, may declare—
(a) an area to be an agricultural vehicle area of operation for the purposes of these Regulations;
(b) an area to be a container vehicle area of operation for the purposes of these Regulations;
(c) an association to be an approved association for the purposes of regulation 155(2)(a)(i);
(d) a route to be a container vehicle route for the purposes of these Regulations;
(e) a highway to be a major road for the purposes of these Regulations;
(f) an area to be an urban area for the purposes of these Regulations;
(g) a type of mechanical suspension system to be a road friendly suspension for the purposes of these Regulations;
(h) a body to be an approved body for the purposes of regulation 215(1)(a) ;
(i) a modification to be an approved modification for the purposes of regulation 21(3);
(j) a bus to be a complying bus for the purposes of these Regulations;
(k) the operating mass of a vehicle for the purposes of these Regulations.