Foreign-client work can still count toward Canada's C$30,000 small-supplier threshold—even when you believe the service is zero-rated. Track both CRA tests without uploading invoice data.
Add your first supply or load four fictional rows to see how the two tests work.
Three-part product library
Start free. Add the workflow that earns its keep every quarter.
The tracker gives you a quick reading. The Action Kit prepares the next decision. The offline Quarterly Review Workspace keeps the evidence, FX record, and both threshold tests in one reusable local file.
WORKBOOK
QUICK CARDBefore the Next Invoice
THIRTY NORTH / ACTION KITCross-Border GST/HST Action Guide24 pages · Reviewed Aug 1, 2026
Cross-Border GST/HST Action KitC$19
Know what to resolve before your next invoice.
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24-page action guideBoth threshold clocks, evidence, FX, and registration routes
Educational workflow tools, not individualized tax advice. Secure checkout opens in a new tab.
Two clocks, one threshold
Why timing changes the answer
CRA applies an immediate single-quarter test and a completed four-quarter test. Crossing the same C$30,000 line can produce a different effective date.
Related guides and calculators20 resources
01 / immediate
One quarter exceeds C$30k
You stop being a small supplier on the supply that pushes the calendar-quarter total over the limit. The entire supply is subject to its applicable rate; a valid zero-rated supply remains at 0%.
Crossing supplyEffective now
02 / delayed
Up to four quarters exceed C$30k
If no single quarter crosses, small-supplier status ends at the end of the month after the crossing quarter. The first later taxable supply made in Canada sets the effective date.
Quarter-endStatus ends
Use the tracker safely
It calculates your inputs. It does not classify your work.
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Foreign does not automatically mean zero-rated
Place-of-supply and export rules are fact-specific. You choose the classification; confirm uncertain work with CRA or a tax professional.
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Bring every business and associate into view
For a sole proprietor, the threshold uses worldwide taxable supplies from all businesses and applicable associates—not profit after expenses.
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Special cases need a different route
Taxi and ride-share operators, non-residents, charities, public bodies, and Quebec QST situations can follow additional or different rules.
Thirty North is an educational estimator, not tax, accounting, or legal advice. Results depend entirely on the threshold dates, amounts, and classifications you enter. It does not determine whether a supply is made in Canada, taxable, zero-rated, exempt, or excluded. Verify your obligations with CRA, Revenu Québec where applicable, or a qualified adviser before acting.
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