The Self-Employed Contractor Invoice is a fundamental business document used throughout Canada when independent contractors bill their clients for services rendered. This document type is essential for maintaining clear financial records and ensuring compliance with Canadian tax regulations, including federal and provincial requirements. It should be used whenever a self-employed individual or sole proprietor provides services to clients and needs to request payment while maintaining proper documentation for tax purposes. The invoice must include specific elements required by the CRA, such as GST/HST numbers (if registered), clear service descriptions, and appropriate tax calculations. This document type is particularly important for maintaining the distinction between contractor and employee status, and helps establish proper business relationships in compliance with Canadian labor and tax laws.

1. Invoice Header: Contains business name, address, contact details, and business/tax registration numbers

2. Client Information: Full legal name and address of the client being invoiced

3. Invoice Details: Invoice number, date, payment due date, and any reference numbers (e.g., PO number)

4. Service Description: Clear description of services provided, including dates of service

5. Pricing Breakdown: Itemized list of services with rates, quantities, and amounts

6. Subtotal: Sum of all charges before tax

7. Tax Calculations: GST/HST/PST calculations with registration numbers where applicable

8. Total Amount: Final amount due including all taxes and charges

9. Payment Terms: Payment deadline and accepted payment methods

10. Footer: Additional business information, payment instructions, and any required legal notices