# The Child Support (Northern Ireland) Order 1991, Paragraph 2


(1) Subject to sub-paragraph (2), the basic rate is the following percentage of the non-resident parent's gross weekly income—
12% where the non-resident parent has one qualifying child;
16% where the non-resident parent has 2 qualifying children;
19% where the non-resident parent has 3 or more qualifying children.
(2) If the gross weekly income of the non-resident parent exceeds £800, the basic rate is the aggregate of the amount found by applying sub-paragraph (1) in relation to the first £800 of that income and the following percentage of the remainder—
9% where the non-resident parent has one qualifying child;
12% where the non-resident parent has 2 qualifying children;
15% where the non-resident parent has 3 or more qualifying children.
(3) If the non-resident parent also has one or more relevant other children, gross weekly income shall be treated for the purposes of sub-paragraphs (1) and (2) as reduced by the following percentage—
12% where the non-resident parent has one relevant other child;
16% where the non-resident parent has 2 relevant other children;
19% where the non-resident parent has 3 or more relevant other children.

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Source: https://www.legislation.gov.uk/nisi/1991/2628/schedule/1/paragraph/2 (the official version)
Page: https://openlegislation.uk/child-support-northern-ireland-order-1991/schedule-1/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.