Do sole traders need to register for GST?

Understand when a sole trader may need to register for GST and what the ATO says about GST registration.

Summary

Sole traders generally need to register for GST if their business reaches the GST registration threshold. The ATO states that once you are required to register for GST, you need to do so within 21 days, and you need an ABN before registering.

What this means

GST registration is not automatic just because you start as a sole trader. It depends on your business activity and turnover.

Once registered for GST, you generally need to include GST in taxable sales, issue tax invoices where required, lodge business activity statements, and claim GST credits where eligible.

Typical actions

  • Estimate your current and projected GST turnover.
  • Check the ATO GST registration threshold.
  • Register within the required timeframe if you meet the conditions.
  • Make sure you have an ABN before registering for GST.
  • Update invoices, pricing, and record keeping if you become GST registered.

Official ATO sources

Last checked: 20 June 2026

Registering for GST
Explains when and how to register for GST.

GST — Goods and services tax
Main ATO GST topic hub.

Check your GST registration as the year wraps up
ATO small business guidance about checking whether GST registration applies.

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Important notice: Tax Clarity is an independent information tool. This page provides general information based on official sources. It does not provide tax, legal, financial, or accounting advice. Tax rules can change, and how they apply depends on your circumstances. For advice about your situation, speak with a registered tax agent or qualified professional.

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