How to use our forms
You must download our forms to fill them in. We have help available if you use assistive technology or if you need a translator or interpreter. Find out how to use our forms.
- Income declaration form - for financial years starting from 2009-2010
- Income declaration form - for financial years up to and including 2008-2009
Use the form that relates to the financial year you are declaring your income for.
We use your adjusted taxable income to calculate your child support assessment.
If your Child Support online account is linked to myGov, sign in now to complete the form.