Estimate of income for use in Child Support Assessment form (CS1670)

Use this form to provide us with an estimate of your income where it is different from the income used for your current child support assessment.

Download and complete the Estimate of income for use in Child Support Assessment form.

Use your Child Support online account through myGov to submit this form online.

This PDF is fillable. You can fill it out on your device, or print it and complete it by hand.

If you have a disability or impairment and use assistive technology, you may not be able to access our forms. If you can’t, please use self service, request someone to deal with us on your behalf, or contact us. We can help you access, complete and submit them.

Page last updated: 31 August 2020