22.—(1) Where an applicant for a certificate of competency under section 33 of the Principal Act so requests and the issuing authority within the meaning of that section so determines, a certificate of competency issued under subsection (4) (b) (ii) of that section to that applicant shall, notwithstanding anything in that Act, contain a statement that, in relation to a class of vehicles in respect of which the certificate is issued, it is limited to a specified type of vehicle belonging to that class.

(2) Where the certificate of competency accompanying, pursuant to section 22 (3) (c) of the Principal Act, an application under that section for a driving licence contains a statement that the certificate is limited to a specified type of vehicle belonging to a specified class, any driving licence issued in pursuance of that application shall, notwithstanding anything in that Act, contain a statement that, in relation to that class, the licence is limited to a vehicle of the type specified in the certificate and the licence shall, for the purposes of section 38 of the Principal Act, have effect accordingly.