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Payments and cash flow2 min readUpdated June 2026

Late Payment Reminder Letter Canada

Practical Canadian guide: late payment. Examples, wording, and links to invoice tools.

Written by a Canadian developer for trades businesses.
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Canadian small businesses and Quebec travailleurs autonomes search for practical guidance on late payment. This page explains what to put on the document, how taxes usually apply, and how to move from quote to paid invoice faster.

What this guide covers

  • friendly reminder
  • overdue notice
  • late fee disclosure
  • next steps

Workflow that works in Canada

1. Confirm client legal name, billing email, and payment terms before starting

2. Send a clear quote or estimate with validity dates and scope limits

3. Collect a deposit on larger jobs when materials or scheduling require it

4. Invoice the day work is delivered or the milestone is complete

5. Include Interac e-transfer instructions on every PDF

6. Follow up politely before the due date, then use a structured reminder if needed

Tax and compliance reminders

  • Charge GST/HST/QST/PST only when registered or required to register
  • Show tax registration numbers on invoices that collect tax
  • Keep sequential invoice numbers and copies of every PDF sent
  • Late fees must be disclosed in your terms before applying them

Related resources

Is this legal or tax advice?

A: No. This is practical invoicing guidance. Confirm tax and contract rules with your accountant or lawyer.

Related guides

Go deeper with practical guides for invoicing, getting paid, and staying compliant in Canada.

Create an invoice now

Apply these payment terms on a PDF invoice that is ready to send.