47.—(1) Where a claimant's applicable amount includes an amount by way of a family premium, £15 of any payment of maintenance, whether under a court order or not, which is made or due to be made by—E+W+S
(a)the claimant's former partner, or the claimant's partner's former partner; or
(b)the parent of a child or young person where that child or young person is a member of the claimant's family except where that parent is the claimant or the claimant's partner.
(2) For the purposes of sub-paragraph (1), where more than one maintenance payment falls to be taken into account in any week, all such payments shall be aggregated and treated as if they were a single payment.
(3) A payment made by the Secretary of State in lieu of maintenance shall, for the purposes of sub-paragraph (1), be treated as a payment of maintenance made by a person specified in head (a) or (b) of that sub-paragraph.