Provincial sales tax (PST) in Canada: What it is and who charges it

Key takeaways

• PST is a provincial sales tax charged on most goods and some services in British Columbia, Manitoba, Saskatchewan, and Quebec, where it's called QST
• Rates range from 6% in Saskatchewan to 9.975% in Quebec, and PST is calculated on the pre-tax price, separate from the 5% federal GST
• Other provinces use HST, a combined federal and provincial tax, or charge only GST, so PST rules depend entirely on where the sale happens
• Businesses selling into PST provinces usually need to register, collect, file, and remit through each province's portal, even without a physical location there

PST is a provincial sales tax that four Canadian provinces charge on retail purchases of most goods and certain services. It applies on top of the 5% federal Goods and Services Tax (GST) and is calculated on the pre-tax price, not on the GST-inclusive amount.

If you sell across Canada, PST is easy to get wrong. Each province writes its own rulebook, runs its own registration portal, and decides for itself what counts as a taxable service. Getting one province wrong means either undercharging customers or facing a future assessment from a provincial tax authority.

Which provinces charge provincial sales tax?

Four provinces operate their own provincial sales tax, while the rest either combine their share into a Harmonized Sales Tax (HST) or charge only the federal GST.

The HST provinces collapse the federal and provincial portions into one combined rate administered by the Canada Revenue Agency. In practice, HST means one tax on one return, while each province administers PST separately.

Quebec technically calls its tax QST, but you'll often see it grouped with PST because it works the same way. QST has its own registration, filing, and remittance process through Revenu Québec.

What does PST cover?

PST applies to what each province defines as taxable property and services. In BC, Manitoba, and Saskatchewan, physical goods are taxable unless an exemption applies. Services work the other way around: they're exempt unless the province specifically names them as taxable.

These categories are taxable across all PST provinces:

• Tangible personal property: New and used physical goods, including equipment, furniture, and inventory not bought for resale
• Software and digital products: Packaged software, software as a service, and many cloud-based subscriptions delivered to a buyer in the province
• Telecommunications: Phone service, internet access, and related connectivity charges
• Services applied to goods: Vehicle repair, computer repair, appliance servicing, and similar work performed on taxable property
• Short-term accommodations: Hotels, short-term rentals, and lodging stays under a defined length
• Legal services: Taxable in all four PST provinces (BC, Manitoba, and Saskatchewan under PST, and Quebec under QST). Manitoba and Saskatchewan in particular tax a broad range of professional services, including accounting and engineering, so confirm the specific rules in each province before invoicing.

Each province also writes its own list of taxable services beyond the common ones, and the line items don't always match. Saskatchewan taxes services like dry cleaning and credit reporting that aren't always taxable elsewhere, while BC has detailed rules for related-party software transactions and Manitoba applies its own tests to certain professional services.

What are common PST exemptions?

Every PST province exempts certain essentials, though the specifics vary:

• Basic groceries: Unprepared food sold for human consumption
• Prescription medications: Drugs and medical devices prescribed by a licensed practitioner
• Children's clothing and footwear: Below defined size or price thresholds in some provinces
• Most agricultural inputs: Seed, feed, and farm equipment used in commercial production
• Goods purchased for resale: Inventory you'll resell, supported by a valid exemption certificate
• Goods purchased for further manufacture: Raw materials that become part of a finished product

Exemptions aren't automatic. If you're the buyer, you'll generally need to give the seller a valid exemption certificate and PST number at the time of purchase. If you forget the certificate at checkout, you'll pay the tax and have to file a refund claim later, which most provinces process slowly.

How does PST differ from GST and HST?

PST, GST, HST, and QST are different tax types with different rules. If you sell into all 13 provinces and territories, you'll manage one federal GST/HST account plus up to four separate provincial accounts. Each has its own portal, return schedule, and rules.

GST

GST is a federal value-added tax. You charge GST on sales, claim input tax credits on the GST you pay on business purchases, and remit the net difference to the CRA. For most B2B transactions, GST is effectively a wash because credits cancel out the tax you pay.

PST

PST is a retail sales tax rather than a value-added tax, and there are no input tax credits in BC, Manitoba, or Saskatchewan. If you buy office furniture in BC, you pay 7% PST and that cost doesn't come back.

You can sometimes avoid PST by using an exemption certificate, for example when you're buying inventory to resell or raw materials to manufacture. Otherwise, the tax is a sunk cost.

QST

QST works more like GST: most registered businesses can claim input tax refunds. That makes Quebec closer to the HST provinces than to BC, Manitoba, or Saskatchewan.

HST

HST combines the federal and provincial portions into a single tax administered by the CRA. You file one combined return per period rather than separate provincial returns.

When does your business need to register for PST?

You generally need to register for PST in a province if your taxable sales there exceed a threshold or if you have a physical presence in the province. Each province sets its own registration trigger, and thresholds change as provinces update rules for remote and digital sellers, so confirm the current requirement with each province before each fiscal year.

• British Columbia: Out-of-province sellers must register if they have more than $10,000 CAD in annual gross revenue from BC customers and either solicit sales in BC or sell taxable software, telecommunications, or accommodations to BC buyers
• Saskatchewan: Out-of-province businesses that sell taxable goods or services to Saskatchewan customers generally must register, with no minimum threshold for many digital and tangible goods sellers
• Manitoba: Out-of-province sellers that solicit sales in Manitoba and ship taxable goods to Manitoba buyers generally must register once they exceed $30,000 CAD in annual taxable sales there, with the details depending on the type of property sold
• Quebec: Non-resident sellers of digital products and services to Quebec consumers must register under the specified QST regime if they exceed $30,000 CAD in annual sales to Quebec

How do you file and remit PST?

Each PST province runs its own online portal for registration, filing, and payment.

• British Columbia: eTaxBC, run by the BC Ministry of Finance
• Saskatchewan: Saskatchewan eTax Services (SETS)
• Manitoba: TAXcess, the Manitoba Finance online tax portal
• Quebec: Revenu Québec's My Account for businesses

How often you file depends on how much tax you collect. Most businesses file monthly or quarterly, with smaller filers reporting less often. On each return, you'll report taxable sales by category, calculate the PST you owe, deduct any commissions or credits, and remit the balance.

Late or missed filings trigger interest and penalties in every province. Provincial tax authorities also conduct audits, often years after the fact, and they're tougher on documentation than the CRA in some areas. Keep exemption certificates, invoices, and tax determination support for at least 6 years, and confirm the exact period with each province since retention requirements vary.

Where does PST get operationally messy?

The hard part of PST is rarely the rate itself. The complexity comes from figuring out the right tax for each transaction and keeping your documentation organized across provinces.

• Mixed-province invoicing: A single sales order shipping to multiple provinces means multiple tax calculations on one invoice, each with its own rate and rules
• Software and digital services: Figuring out whether a SaaS subscription is taxable in BC depends on what the software does, where it's hosted, and how it's accessed. Manitoba and Saskatchewan have their own tests.
• Exemption certificate management: Buyers who claim an exemption need to submit a valid certificate. If you accept an expired or incorrect certificate, you're on the hook for the tax during an audit.
• Out-of-province purchases: When you buy taxable goods from a vendor that didn't charge PST because they weren't registered, you typically owe self-assessed PST to the province on those goods
• Vendor data quality: Vendors that bill from a US address but ship from a Canadian warehouse don't always make it obvious which province's PST should apply, and your accounts payable team is the one that has to figure it out

How do you build a repeatable PST process?

Getting PST right means building a repeatable process for registration, tax calculations, exemptions, and reconciliation instead of treating each sale as a one-off decision.

1. Map your sales footprint: Pull the last 12 months of revenue by province. Identify where you're already over registration thresholds and where you're getting close.
2. Register in every province where you have a clear obligation: Don't wait for an assessment. Voluntary registration is faster, cheaper, and avoids the back-taxes-plus-penalties scenario that comes with a provincial audit.
3. Set up your tax determination logic in one place: Use your billing system, ERP, or a dedicated tax engine. Every taxable transaction should run through the same rules so a sale into Saskatchewan calculates the same way every time.
4. Build an exemption certificate workflow: Centralize how certificates are collected, validated, stored, and expired. Tie the workflow to the customer or vendor record so the certificate is attached to every transaction it applies to.
5. Reconcile collected PST against remitted PST every period: The numbers should match. If they don't, find the gap before the province does.
6. Document tax decisions for audit defense: Every time you decide a product or service isn't taxable in a province, write down the rule you relied on and the date you made the call.

Tax rules will keep changing, but the process for applying them shouldn't.

Handle multi-province PST with Ramp, now built for Canada

Ramp is built for exactly this. Corporate cards, expense management, and bill pay run on one platform that codes HST, GST, PST, and QST automatically and maps each transaction to the right GL account and tax code, so the tax is right per province instead of decided sale by sale.

For a Canadian finance team, that looks like:

• CAD and USD cards on one login, so US software and ad spend stop living on a separate card
• Vendor invoices captured by OCR down to the line item, coded with the applicable provincial tax, and matched before payment
• Coded transactions synced to QuickBooks Online, Xero, NetSuite, Microsoft Business Central, or Sage Intacct in CAD, so your provincial reconciliations are a quick review, not a rebuild

Ramp is the spend platform 70,000+ businesses already run on, now built for Canadian finance teams.

See how Ramp works for Canadian businesses →