The Registrar uses administrative formulas to calculate child support assessments. He or she considers income and care, when calculating the child support that a parent must pay. In special circumstances, the Registrar of Child Support can change an assessment. The provisions that empower the registrar to do this are found in Part 6A of the Child Support (Assessment) Act 1989.
If a parent believes that the amount of child support that should be paid has changed since the Child Support Assessment, he or she can use the online Child Support Estimator to work our the amount of child support payable under a formula assessment.
What are Special Circumstances?
If a parent or a child has special circumstances, the administrative formula may not arrive at the correct level of child support. Part 6A of the Act provides a means for the Registrar to administratively change a child support assessment, to reflect the special circumstances in a particular case.