11(1)The appropriate national authority may by regulations make provision supplementary or incidental to the preceding provisions of this Schedule.
(2)Such provision may, in particular, include—
(a)provision prescribing—
(i)the form of penalty charge notices or any other notice mentioned in this Schedule,
(ii)circumstances in which penalty charge notices may not be given,
(iii)the method or methods by which penalty charges may be paid,
(b)provision about the service of notices.