(1) A direction under division 3.2.2 (Directions in relation to pt 3.2 vehicles) or part 3.3 (Directions to give name, records and other things) may be given—
(a) orally; or
(b) in writing; or
(c) by post, telephone, facsimile, email or radio; or
(d) in any other way.
(2) A direction under division 3.2.2 or part 3.3 may be given to a driver—
(a) orally; or
(b) by means of a sign or signal (electronic or otherwise); or
(c) in any other way.
(3) However, a direction under section 43 (Direction to produce document etc) or section 57 (Direction to give name and other personal details) may only be given—
(a) orally; or
(b) in writing.
(4) This section does not apply in relation to a direction under section 51 (Direction in relation to pt 3.2 vehicle—dangerous situation).