Current period for which additional contributions have been paid
D4.—(1) A person who has paid additional contributions for a current period in accordance with regulation C6 is entitled—
(a)if he was in full-time pensionable employment immediately before the start of the period, to count as reckonable service the period in respect of which they were paid; or
(b)if he was then in part-time pensionable employment, to count as reckonable service the proportion of the period that would have counted under regulation D1 if he had continued in that employment.
(2) A person who has paid additional contributions for a current period in accordance with regulation C7 is entitled to count as reckonable service the period specified in regulation C7(2).