6.—(1) A requirement under these Regulations to take part in an interview shall not apply where an officer determines that an interview would not—
(a)be of assistance to the relevant person concerned; or
(b)be appropriate in the circumstances.
(2) A relevant person in relation to whom a requirement to take part in an interview has been waived under paragraph (1) shall be treated for the purposes of regulation 3 or 4 as having complied with that requirement in respect of that interview.