15.—(1) Any notice—
(a)by the Secretary of State under regulation 4, 11(3) or 11(5); or
(b)to the Secretary of State under regulation 2(9);
and any representations made to the Secretary of State under regulation 11 shall be legible form.
(2) Where any notice is required to be sent by the Secretary of State to the usual residential address of any person, that notice is validly sent if sent to the address of that person, shown in the records of the registrar available for inspection or copying under section 709 of the 1985 Act or the confidential records as the case may be when the notice is sent.