CTHIn ForceAct
Child Support (Assessment) Act 1989
55DWorking out child support percentages
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55D Working out child support percentages
(1) Work out each parent’s child support percentage for a child for a day in the child support period using the formula:
Start formula Parent's income percentage for the child for the day minus Parent's cost percentage for the child for the day end formula
(2) A parent’s child support percentage for a day in a child support period is taken to be nil if the amount worked out using the formula is negative.