7(1)The Secretary of State may prescribe a minimum amount for the purposes of this paragraph.
(2)Where the amount of child support maintenance which would be fixed by a maintenance assessment but for this paragraph is nil, or less than the prescribed minimum amount, the amount to be fixed by the assessment shall be the prescribed minimum amount.
(3)In any case to which section 43 applies, and in such other cases (if any) as may be prescribed, sub-paragraph (2) shall not apply.