You must download our forms and fill them in so they are processed quickly. You can also electronically sign some of our forms. We have help available if you use assistive technology.
Get started
- Call the Child Support enquiry line. We’ll let you know if you need to complete this form.
- Download and complete the Application to change your assessment - special circumstances form.
- Submit your form and supporting documents.
The easiest way to submit your form and supporting documents is to upload them online using your Child Support online account through myGov. If you can’t upload your form and supporting documents, you can submit them by fax or post.