(1) For the purposes of regulation 20 the Commissioner shall maintain and keep up-to-date, in printed or electronic form, a register of the numbers allocated to subscribers, in respect of particular lines, who have notified the Commissioner or, prior to 30th December 2016, OFCOM (notwithstanding, in the case of individual subscribers, that they enjoy the benefit of regulation 20(1)(a) and (2)) that they do not for the time being wish to receive unsolicited communications for direct marketing purposes by means of facsimile machine on the lines in question.

(2) The Commissioner shall remove a number from the register maintained under paragraph (1) where the Commissioner has reason to believe that it has ceased to be allocated to the subscriber by whom the Commissioner was or, prior to 30th December 2016, OFCOM were notified pursuant to paragraph (1).

(3) On the request of -

(a) a person wishing to send, or instigate the sending of, such communications as are mentioned in paragraph (1), or

(b) a subscriber wishing to permit the use of his line for the sending of such communications,