(1)In this Part of this Act—
“charging authority” and “charging authorities” have the meanings given by section 49(5) of this Act; and
“operation” includes enforcement (related expressions being construed accordingly).
(2)Any reference in this Part of this Act to a class of motor vehicles is a reference to a class defined or described, by reference to any characteristics of the motor vehicles or to any other circumstances whatsoever, in regulations made by the Scottish Ministers.