(1) Subject to the following provisions of this regulation, the Authority may vary or revoke a direction by notice in writing to the person to whom the direction applies.
(2) The Authority may vary or revoke a direction under this regulation on its own initiative, or on the application of the person to whom the direction applies.
(3) If the Authority decides to refuse an application for the variation or revocation of a direction made under this regulation, it must notify the applicant in writing of its decision.
(4) The Authority must not vary a direction on its own initiative under this regulation unless it has afforded the person to whom the direction applies the opportunity to make representations to the Authority in such manner, and within such period, as the Authority may determine.
(5) Paragraph (4) does not apply if the case appears to the Authority to be one of urgency.
(6) A decision by the Authority to vary a direction has effect from -
(a) a date referred to in the noti