The Council Tax Benefit (General) Regulations 1992

7.  Where the claimant is engaged in one or more employments specified in paragraph 6(1), but his earnings derived from such employments are less than £15 in any week and he is also engaged in any other employment so much of his earnings from that other employment, up to £5, if he is a single claimant, or up to £10 if he has a partner, as would not in aggregate with the amount of his earnings disregarded under paragraph 6 exceed £15.