4.—(1) A notification given by a subscriber pursuant to regulation 23(4)(a) of the 1999 Regulations to the Director General of Telecommunications (or to such other person as is discharging his functions under regulation 23(4) of the 1999 Regulations on his behalf by virtue of an arrangement made under regulation 23(6) of those Regulations) is to have effect on or after 11th December 2003 as a notification given pursuant to regulation 25(1) of these Regulations.
(2) A notification given by a subscriber who is an individual pursuant to regulation 25(4)(a) of the 1999 Regulations to the Director General of Telecommunications (or to such other person as is discharging his functions under regulation 25(4) of the 1999 Regulations on his behalf by virtue of an arrangement made under regulation 25(6) of those Regulations) is to have effect on or after 11th December 2003 as a notification given pursuant to regulation 26(1) of these Regulations.