How to invoice international clients from Canada

An international invoice uses the same commercial foundation as a Canadian invoice, but it must remove three extra uncertainties: which currency controls the price, whether Canadian sales tax applies, and how the client can pay without losing the invoice reference. Those decisions belong in the agreement before the PDF is sent.

This guide is for Canadian freelancers and service businesses billing clients outside Canada. It explains an invoice workflow, not a blanket tax result. Exported-service rules have exceptions, and a client's foreign address alone does not prove that a supply is zero-rated.

International invoice checklist

• Use your legal or registered business name and full Canadian address.
• Identify the client's legal entity, billing address, country, and accounts-payable contact.
• Assign a unique invoice number and show invoice and due dates unambiguously.
• Describe the service, delivery period, milestone, quantity, and agreed rate.
• State the currency beside every amount and again beside the total due.
• Show tax as a separate line, including a 0% line only when that treatment is supported.
• Provide a payment method, bank or processor details, and the invoice reference to use.

Decide the tax treatment before formatting

The CRA says goods and services that are normally taxable may be zero-rated when exported, depending on the facts. Its imports and exports guidance lists examples, while GST/HST Memorandum 4-5-3 explains the general rule and exclusions for exported services. Services connected to Canadian real property, services rendered to an individual while that person is in Canada, and other excluded supplies can produce a different result.

Keep evidence supporting the customer's non-resident status and the nature of the work. If the facts are unclear, confirm them with an accountant or the CRA before issuing the invoice. Zero-rated means taxable at 0%; it is not the same as an exempt supply.

Choose and label the currency

Write CAD, USD, EUR, or another ISO currency code beside the subtotal and total. State who absorbs conversion and transfer charges. The CRA permits foreign-currency amounts to be converted using an acceptable exchange rate; its foreign-currency policy describes acceptable sources and consistency expectations. Preserve the rate, source, and conversion date used in your records.

Do not let the payment platform silently redefine the contract price. If the quote was CAD 2,000, an invoice for USD 2,000 is a price change, not formatting. For a US-specific workflow, use How to Invoice a US Client from Canada.

Make cross-border payment instructions usable

Name the method the client may use: card payment, international transfer, or a supported online payment service. For a bank transfer, obtain the exact institution, transit, account, SWIFT/BIC, and intermediary instructions from the bank rather than guessing. State whether transfer charges are paid by the sender or deducted from the remittance.

Ask the client to include the invoice number with payment. When money arrives, record the foreign amount, fees, converted Canadian amount, and settlement date separately. This makes the invoice, payment record, and bookkeeping trail reconcilable.

Example international service invoice

Replace the tax line with the supported treatment and registration details for the actual supply. Keep the invoice concise; store supporting contracts, residency evidence, delivery records, and exchange-rate calculations with your internal file. Create the document in invoice generator and review GST/HST Place of Supply for Canadian Services before applying a provincial rate.

Must a Canadian invoice be issued in Canadian dollars?

R: No. A contract and invoice may use another currency, but the currency must be explicit and Canadian tax records still require consistent conversion where applicable.

Do foreign clients always pay 0% GST/HST?

R: No. Many qualifying exported services are zero-rated, but exclusions and place-of-supply facts matter. Confirm the specific supply rather than relying only on the client's address.

Should an invoice show both CAD and USD?

R: It can, but identify one contractual amount due and label any converted figure as informational with its rate and date.

What should be saved after payment?

R: Keep the invoice, contract, proof of delivery, tax support, payment confirmation, fees, and the exchange-rate source used for Canadian records.