The Board, whenever it considers appropriate, may by notice in writing to the trustees of a regulatory own funds scheme or a regulatory own funds trust RAC, require the trustees to submit to the Board within the period specified in the notice an actuarial funding certificate or a regulatory own funds trust RAC technical provisions certificate, and a regulatory own funds certificate having -
(a) in the case of an actuarial funding certificate or a regulatory own funds trust RAC technical provisions certificate such an effective date as is specified in the notice, and
(b) in the case of a regulatory own funds certificate, such a regulatory own funds certification date as is specified in the notice.