Section 9 of the Principal Act is amended by omitting subsection (2) and substituting the following subsections:

(2)  Where, under this Act or the Vehicle and Traffic Act 1999 , any power or right may be exercised by an authorised officer, or any act is authorised or required to be done by or in respect of an authorised officer, that power may be exercised by, and that act may be done by or in respect of –

(a) an officer of the Commission; or

(b) an officer of a local authority; or

(c) another person; or

(d) persons of a specified class –

authorised in writing by the Commission in that behalf.

(2A)  A person referred to in subsection (2)(c) may but need not be a State Service employee.

(2B)  A class of persons referred to in subsection (2)(d) may but need not be a class of State Service employees.