7. Where the carer premium is awarded in respect of an applicant 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—
(a)specified in paragraph 9(1), so much of the other member’s earnings as would not when aggregated with the amount disregarded under paragraph 6 exceed £20;
(b)other than one specified in paragraph 9(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 6 exceed £20.