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Video tips, online answers to your questions and a range of phone services to help you meet your GST obligations.

Last updated 12 July 2023

Find out about the GST issues registers, how to contact us and our video tips to help you meet your GST obligations.

Answering your questions


Find out more about tax time essentials, learning resources, tools and services to support your small business.

Phone us

  • 13 28 66 – available between 8:00 am and 6:00 pm, Monday to Friday.
  • 13 72 26 – our direct self-help service is available 24 hours a day. If you want to elect to report your GST annually, press 1 for lodgment, then 2 to elect GST annual reporting.

If you would like someone else to phone us on your behalf, such as a registered tax agent, family member or friend, make sure they are recorded with us as authorised to act for you.

Write to us

Address your GST enquiries to:

Australian Taxation Office
PO Box 3524

Cancelling your registration

To cancel your GST registration, post your registration cancellation form to the relevant address below:

  • For VIC, SA, WA and TAS

Australian Taxation Office, Registrations
PO Box 3373

  • For NSW, QLD, NT and ACT

Australian Taxation Office, Registrations
PO Box 3373

Other ways to contact us

See other ways to contact us for help with tax and super.

GST video tips and examples

Our short GST videos offer simple, practical tips to help you manage GST in your business.

Videos can be found on atoTVExternal Link and cover the following topics:

  • Identity theft
  • Getting your GST right
  • When to register for GST
  • How to complete your BAS
  • Lodging your BAS on time
  • How to keep your records for GST
  • How to stay in control of your business
  • Tax evasion and crime
  • Data matching.

GST issues registers

For more information and guidance, see:

  • GST issues registers – for issues from the GST issues registers that are not public rulings.
  • Public rulings – for issues from the GST issues registers that are public rulings.