Income declaration form (CS1668)
Use this form to provide an income declaration if your taxable income has not yet been assessed by the Australian Taxation Office (ATO).
- 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.