(1) Subject to article 19 where the member spouse is a current pensioner of the defined contribution scheme concerned at the date of the order, the designated benefit payable from that pension scheme shall be calculated in accordance with this article.
(2) The designated benefit shall be calculated in accordance with the following formula:
D x E / F
D = the amount of future payments of retirement benefit to, or in respect of, the member spouse;
E = the accumulated value, as at the date the member spouse commenced to receive retirement benefit, of the relevant percentage of the earmarked contributions;
F = the accumulated value, as at the date the member spouse commenced to receive retirement benefit, of all contributions paid by, or in respect of, the member spouse for the purpose of retirement benefit.