We're authorised by the Taxation Administration Act 1953 to ask for your tax file number (TFN). We will use your TFN to identify you in our records. It isn't an offence not to provide your TFN but if you don't your assessment may take longer to process.
We're also authorised to ask for the other information on this Statutory declaration form by the:
- Income Tax Assessment Act 1936
- Income Tax Assessment Act 1997
- Taxation Administration Act 1953.
We need this information to help us administer tax law. If we don’t collect this information there could be a delay in processing your assessment.
Where authorised by law, we may give this information to other government departments and agencies, including:
- Department of Education
- Department of Employment
- Services Australia
- Department of Social Services
- Department of Veterans' Affairs
- State and Federal Police
- Australian Bureau of Statistics
- Reserve Bank of Australia.
We also provide taxpayer information to treaty partners overseas under international tax agreements.
If you have an Australian business number, we may collect some information on this form under the A New Tax System (Australian Business Number Act) 1999 and use it to update your details on the Australian Business Register (ABR)Opens in a new window. Where authorised by law, selected information may be made publicly available and some may be passed to a wide range of government agencies, including Commonwealth, state and local government agencies.
Our privacy policy contains important information about your privacy, including how:
- you can access and seek correction of information we hold about you
- to make a complaint if you think we have breached the Australian Privacy PrinciplesOpens in a new window
- we will deal with any privacy complaints.
If you have a privacy concern or need more information, phone or write to our privacy hotline.
To report an instance where you suspect your privacy has been compromised, see Data breach guidance for individuals.
For more information about ways to access this form, see Statutory declarationsOpens in a new window.