(1) Without prejudice to section 49, and subject to subsection (5), where it appears to the Board having regard to -

(a) a report referred to in section 11(3)(c), or

(b) a medical examination under section 24(2),

that a long term prognosis in respect of the personal injury or injuries to which the relevant claim relates is unlikely to be available within the period referred to in section 49(2), the Board shall, by notice in writing served on the claimant and the respondent or respondents before the expiration of that period, inform each of them that it will not be possible or appropriate to make an assessment within that period.

(2) A notice under subsection (1) shall specify the period, which shall be determined by the Board, within which another medical examination (in this section referred to as a 'further medical examination') under section 24(2) shall be undertaken.