7. In a case where paragraphs 3, 5, 6 and 8 do not apply to the claimant and he is one of a couple and a member of that couple is in employment, £10; but, notwithstanding regulation 25 (calculation of income and capital of members of claimant's family and of a polygamous marriage), if this paragraph applies to a claimant it shall not apply to his partner except where, and to the extent that, the earnings of the claimant which are to be disregarded under this paragraph are less than £10.E+W+S