PART 2Low emission zones
CHAPTER 3Operation of a low emission zone scheme
Equipment and signs
21Approved devices
(1)
The Scottish Ministers may by regulations make provision for or about the approval of devices to be used for or in connection with the operation of a low emission zone scheme.
(2)
A device may not be used for or in connection with the operation of a low emission zone scheme if—
(a)
regulations under subsection (1) make provision for or about the approval of that type of device, and
(b)
the device is not of a type approved by virtue of the regulations.