34.—(1) Where a claimant fails without good cause to comply with the request referred to in regulation 33(1)(a), the claimant is, subject to paragraph (2), to be treated as not having limited capability for work-related activity.
(2) Paragraph (1) does not apply unless—
(a)the claimant was sent a further request at least 3 weeks after the date of the first request; and
(b)at least 1 week has passed since the further request was sent.