What Is GST/HST? A Practical Definition For Retailers

GST/HST Canada's federal Goods and Services Tax and harmonized provincial-federal sales tax system.

GST/HST combines a federal consumption tax (the Goods and Services Tax, GST) with harmonized provincial sales taxes (HST) in select provinces. The federal portion is a flat tax applied across Canada; provinces that participate in the harmonized system collect a single combined rate (GST plus the provincial portion) rather than running a separate provincial sales tax. For retail operators this structure determines whether you charge a single consolidated tax on a sale, how you report and remit collected tax, and what recovery of tax paid on inputs looks like.

What The System Covers

GST/HST applies to most supplies of goods and services in Canada, including retail sales, rentals, and many digital supplies. There are three important categories of supplies:

• Taxable Supplies: Standard-rated transactions where GST (5%) or the combined HST rate applies.
• Zero-Rated Supplies: Taxed at 0% — tax is charged at nil but suppliers can claim input tax credits (examples: basic groceries, certain medical devices, exports).
• Exempt Supplies: Not subject to GST/HST and suppliers cannot claim input tax credits (examples: most financial services, residential rent).

Why It Matters For Retailers

GST/HST affects pricing, cash flow, bookkeeping, and competitiveness. Retailers must decide whether to include tax in advertised prices, show it separately at point of sale, or handle rounding for cash transactions. Collecting tax creates an obligation to remit collected amounts to the Canada Revenue Agency and to file periodic returns. At the same time registrants can recover GST/HST paid on business purchases through input tax credits, which reduces effective tax costs when properly tracked.

How Rates Vary Across Canada

The federal GST rate is 5%. Provinces that participate in HST add a provincial component to form a single combined rate. Current combined HST rates (examples) are:

• Ontario: 13% (5% federal + 8% provincial).
• Nova Scotia, New Brunswick, Newfoundland & Labrador, Prince Edward Island: 15% (5% federal + 10% provincial).

Other provinces maintain separate provincial sales taxes (PST or QST) or have no provincial retail sales tax (Alberta). Place-of-supply rules determine whether GST (only), HST (combined), or GST plus a provincial tax applies to a given sale; those rules depend on the nature of the good or service and the location of the buyer and seller.

Who Registers And Who Pays

Businesses with taxable supplies above the small-supplier threshold must register for a GST/HST account, collect tax, and remit to the Canada Revenue Agency. Small suppliers whose worldwide taxable revenues fall below the threshold can remain unregistered and do not charge GST/HST, but they also cannot claim input tax credits. Registration affects pricing and administrative obligations.

Practical Example For A Retail Store

A Toronto clothing store sells a shirt for CAD 50. The store charges HST at 13%, collects CAD 6.50 at the point of sale, and records CAD 6.50 as collected tax. When the store purchases inventory, it pays GST/HST on supplier invoices and claims input tax credits on its GST/HST returns, offsetting tax collected on sales; the net remittance equals tax collected minus eligible ITCs.

Common Compliance Tasks

• Registering: Determine small-supplier status and register for a GST/HST account when required.
• Charging Tax: Apply the correct rate based on place-of-supply rules and whether the sale is taxable, zero-rated, or exempt.
• Recordkeeping: Keep invoices that show GST/HST charged and supporting documentation for input tax credits.
• Filing and Remitting: File periodic GST/HST returns and remit net tax to the CRA by the due date.

Tips For Retail Operators

• Price Presentation: Decide whether to list prices inclusive or exclusive of tax depending on customer expectations and point-of-sale systems.
• Training: Train front-line staff on taxability rules for returns, discounts, bundled sales, and gift cards.
• Accounting: Use accounting or POS software that separates tax amounts and supports input tax credit tracking.
• Cross-Border Sales: Verify export rules and zero-rating conditions to avoid charging GST/HST on qualifying exports.

In short, the GST/HST Canada's federal Goods and Services Tax and harmonized provincial-federal sales tax system is a consumption tax framework that affects pricing, cash flow, and compliance for retailers operating in or selling into Canada. Retailers need to know which supplies are taxable, whether they must register, and how to recover tax on business inputs.