(1) Before cancelling or varying an authority under regulation 16, the VPCM must—
(a) give the holder of the authority a written notice—
(i) stating that the VPCM is of the opinion that a ground for the cancellation or variation may exist; and
(ii) stating the reasons for that opinion; and
(iii) inviting the holder of the authority to make a written submission in response to the notice within the time specified by the VPCM in the notice; and
(b) consider any submission received under paragraph (a)(iii).
(2) The VPCM must not specify a period of less than 7 days under subregulation (1)(a)(iii).