(1) Trustees of relevant pension schemes are prohibited from purchasing, or agreeing to purchase, annuities on behalf of qualifying members during the prohibition period, unless —
(a) before the beginning of that period the trustees have entered into a binding commitment to purchase the annuities, or
(b) the purchase of the annuities is approved in pursuance of paragraphs (2) and (3).
(2) If the trustees of any relevant pension scheme want to purchase annuities on behalf of qualifying members during the prohibition period, they must apply in writing to the scheme manager for approval of the purchase, setting out their reasons for wanting to do so.
(3) Following receipt of such an application, the scheme manager may approve the purchase of any such annuities if he thinks it appropriate to do so.
(4) When deciding whether or not it is appropriate to approve any purchase of annuities, the scheme manager may take into account such factors as are in his opinion relevant.