Invoice Guides for Freelancers & Contractors

Getting Started with Invoicing

Invoice vs Receipt: Key Differences for Freelancers Understand the difference between an invoice (a payment request) and a receipt (proof of payment) — and when to use each.
Freelance Invoice Template Canada (GST & HST Guide) Every field a Canadian freelance invoice must include, with a complete example and provincial tax rates.
Independent Contractor Invoice Example See a real contractor invoice with payment terms, GST/HST, and line items explained in detail.
How Locum Pharmacists Should Invoice Pharmacies Shift-by-shift invoicing for locum pharmacists — required fields, sample invoice, and common mistakes.

Canadian Tax & Compliance

GST and HST Rules for Canadian Freelancers When to register, how to charge GST/HST, and the place of supply rules that determine which province's rate applies.
PST and QST: Provincial Tax Guide for Freelancers BC, Manitoba, Saskatchewan, and Quebec each have provincial taxes separate from GST. Here is what you need to know.
How to Include Your Business Number on Invoices Why your CRA Business Number must appear on invoices over $150 and how clients use it to claim input tax credits.
Place of Supply Rules: Which Province's Tax Rate Applies? Charging a client in Ontario from Alberta? This guide explains how to determine the correct tax rate.
Self-Employed Taxes in Canada: What Freelancers Owe CPP contributions, income tax instalments, and GST/HST remittances — a plain-language overview for new freelancers.
T2125 Form Guide: How Your Invoices Feed Your Tax Return A line-by-line walkthrough of T2125 — where invoice subtotals land, the vehicle sub-calculation, business-use-of-home, and CCA.
CRA Mileage Log Requirements for Canadian Freelancers What a compliant mileage log must contain, the employee-vs-self-employed deduction difference, and the audit traps to avoid.
Quarterly GST/HST Remittance: Schedule, Mechanics, and Cash Flow Filing frequencies, due dates, instalments, and the GST34 reconciliation that turns clean records into a 30-minute task.
InvoiceFast Tax Features: Mileage, Expenses & T2125 Tracking Automatic mileage tracking, AI receipt scanning, bank statement classification, and a T2125 summary generator — built into InvoiceFast.

Getting Paid: Terms, Follow-ups, and Disputes

Payment Terms Best Practices for Freelancers Net 14 vs Net 30 vs due on receipt — how to choose the right payment window for each client type.
How to Follow Up on an Unpaid Invoice A polite but firm sequence for following up on overdue invoices — from first reminder to formal demand letter.
How to Add a Late Payment Fee to Your Invoices The standard 1.5%/month late fee, how to word it on your invoice, and how to enforce it without losing the client.
What to Do When a Client Disputes Your Invoice Steps to resolve invoice disputes professionally — documentation, negotiation, and escalation options in Canada.
How to Send Invoices Professionally by Email Subject lines, attachment formats, and follow-up timing — how to send invoices that actually get opened and paid.

Invoicing by Profession

Locum Pharmacist Invoice Guide: Shifts, Rates & GST Shift-based invoicing for locum pharmacists — required fields, common payment structures, and a complete sample invoice.
IT Contractor Invoice Guide Invoicing for project-based and retainer software development and IT consulting contracts.
Construction Contractor Invoice Guide Progress billing, holdbacks, and lien rights — how contractors in the trades should structure their invoices.
Freelance Writer Invoice Template Per-word vs per-article vs hourly — how to invoice for writing services and what to include on your invoice.
Marketing Consultant Invoice Guide Retainer invoicing, project milestones, and scope-creep protection for marketing and brand consultants.
Graphic Designer Invoice Example How to invoice for design work — deliverables, revisions, licensing, and file-format considerations.

Advanced Invoicing Topics

How to Invoice International Clients from Canada Foreign currency invoicing, zero-rated exports, and how GST/HST applies to services delivered to non-Canadian clients.
Recurring Invoice Setup for Retainer Clients How to automate monthly retainer invoices so they go out on time every month without manual effort.
Pro Forma Invoice vs Tax Invoice: What's the Difference? When to use a pro forma invoice (estimate/quote), a tax invoice (formal billing), and how they differ legally.
How to Handle Invoice Corrections and Credit Notes How to issue a corrected invoice or credit note in Canada, and when each is appropriate.