18.—(1) This regulation applies where—
(a)a registration officer has issued a notification of possible ineligibility to a relevant person,
(b)the relevant person is not registered pursuant to—
(i)a declaration of local connection under section 7B of the 1983 Act,
(ii)an application for anonymous entry under section 9B of the 1983 Act, or
(iii)a service declaration,
(c)the relevant person is aged 16 or over,
(d)the relevant person has not responded to the notification of possible ineligibility, and
(e)the registration officer has not previously attempted to contact the relevant person by telephone or by visiting the address.
(2) Where this regulation applies, within 7 days beginning with the date of issue of a notification of possible ineligibility the registration officer must attempt to contact the relevant person either by telephone or by visiting the address, to—
(a)obtain information requested in the notification, or
(b)encourage the relevant person to provide the information requested.
(3) Where this regulation applies, a registration officer must not determine that the relevant person has ceased to satisfy the eligibility criteria before the registration officer has attempted to contact the relevant person in accordance with paragraph (2).
(4) In this regulation, the “address” means the address to which the first or second review notice under regulation 16(1) or (5) was delivered.