6. Where the carer premium is awarded in respect of a claimant who is a member of a couple and whose earnings are less than £20, but is not awarded in respect of the other member of the couple, and that other member is engaged in an employment—E+W+S
(a)specified in paragraph 8(1), so much of the other member's earnings as would not when aggregated with the amount disregarded under paragraph 5 exceed £20;
(b)other than one specified in paragraph 8(1), so much of the other member's earnings from such other employment up to £10 as would not when aggregated with the amount disregarded under paragraph 5 exceed £20.