GST/HST Threshold Predictor for Quebec

Track your $30,000 revenue threshold and find out exactly when CRA requires you to register for GST+QST in Quebec.

Quebec has the most complex tax setup for sole proprietors. GST is administered by CRA, but QST (Quebec Sales Tax) at 9.975% is administered separately by Revenu Québec. You may need to register with both agencies. The combined rate is 14.975%. If you're unsure which obligations apply to your business, Revenu Québec's website has specific guidance for self-employed workers.

Quebec at a glance

Sales tax: GST+QST at 14.975%
Federal GST portion: 5%
Registration threshold: $30,000 in taxable revenue
Deadline to register: 29 days after you cross it
Who you file with: CRA for GST, plus QST provincially

$30k Threshold Predictor

When will you need to register for GST/HST?

Based on CRA Small Supplier rules. Consult a tax professional for official advice.

Quebec GST/HST registration FAQ

What sales tax do I charge in Quebec once I register?

Quebec applies GST+QST at 14.975%. Quebec runs two systems. You remit the 5% federal GST through the Canada Revenue Agency (CRA), and the provincial QST is registered and remitted separately through Revenu Québec, under its own rules.

Does the $30,000 GST/HST threshold work differently in Quebec?

No. The $30,000 small supplier threshold is a federal rule and applies in Quebec the same way it does across Canada. Once your taxable revenue passes $30,000 in a single calendar quarter, or across any four consecutive quarters, you must register within 29 days. What changes by province is the rate you charge, which is 14.975% in Quebec, plus the separate QST registration.

Related guides and tools

This tool answers when you must register. Once you are registered, the Quebec GST/HST calculator works out what rate to charge on each invoice.

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