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Completing your BAS for GST

Explains what to do to complete the goods and services tax (GST) section of your business activity statement (BAS).

Last updated 14 April 2019

These instructions explain how to complete the GST section of your business activity statement (BAS).

Each BAS is personalised to your business and is based on your GST registration details. It's important to report on the form you receive from us.

Most BAS are lodged online. By lodging online you:

  • can use 'Help' buttons for additional information to complete your form
  • may be eligible for an additional two weeks to lodge and pay your quarterly BAS

If you choose to use a tax or BAS agent to help you complete and lodge your BAS, check if they are registered with the Tax Practitioners BoardExternal Link.

See also

New to GST?

Steps to consider before completing your BAS.

Choose a method to complete your BAS

Choose a method to complete a BAS.

Identify your accounting basis

The amounts you report on your BAS depend on the accounting basis you have chosen (or are required or allowed to use).

Complete your BAS

Follow these steps to complete your BAS.

Additional instructions

More information about completing your BAS for GST.

QC17458