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How we can help

We have a range of resources and contact points to help you with your GST questions.

Last updated 14 September 2026

Online

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

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.

Contact us

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
ALBURY  NSW  2640

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
VIC/SA/WA/TAS
PO BOX 3373
ALBURY  NSW  2640

  • For NSW, QLD, NT and ACT

AUSTRALIAN TAXATION OFFICE, REGISTRATIONS
NSW/QLD/NT/ACT
PO BOX 3373
PENRITH  NSW  2740

Other ways to contact us

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

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