The Child Support(Northern Ireland) Order 1991

4.—(1) Subject to sub-paragraph (2), the additional element shall be calculated by applying the formula—

where—

• AE is the amount of the additional element;

• A has the same value as in the calculation made under paragraph 2(1);

• G has the value determined under paragraph 3(2); and R

• is such number greater than zero but less than 1 as may be prescribed.

(2) Where applying the alternative formula set out in sub-paragraph (3) would result in a lower amount for the additional element, that formula shall be applied in place of the formula set out in sub-paragraph (1).

(3) The alternative formula is—

where—

• A and C have the same values as in the calculation made under paragraph 2(1);

• Z is such number as may be prescribed; and

• Q is the aggregate of—

(a) any amount taken into account by virtue of paragraph 1(3)(a) in calculating the maintenance requirement; and

(b) any amount which is both taken into account by virtue of paragraph 1(3)(c) in making that calculation and is an amount prescribed for the purposes of this paragraph.