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How does child support work between parents?

Whānau & family

How does child support work between parents?

Inland Revenue Child Support administers most assessments — payments are based on a formula unless you have an agreement.

When parents live apart, child support helps cover a child’s costs. Inland Revenue Child Support usually runs the assessment using a formula based on incomes, care nights, and children’s ages. Some parents make their own voluntary agreement instead.

If income or care arrangements change, update Child Support promptly — debts can build. The official website explains how to apply, pay, or dispute an assessment.

Community Law can help if you are confused about forms. Not legal or financial advice.

Official resources

Always confirm details on the official site — laws and processes can change.

Educational signposting only from the Resilience Programme. Not legal, financial, or medical advice. Updated 2026-07-10.

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