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Planned system outage | Our online services (including myIR and submitting information using software providers) will be unavailable from 6am Saturday 14 to around 6pm Sunday 15 March while we complete some system upgrades.

GST is a tax added to the price of most goods and services, including imports. 

It is a tax for people who buy and sell goods and services. You might need to register for GST if you sell goods or services. GST is charged at a rate of 15%.