The Complaint Letter About Delivery Service is a crucial document used when consumers or businesses experience issues with delivery services in Canada. It serves as a formal communication tool for addressing problems such as delayed deliveries, damaged items, missing packages, or poor service quality. This document type is governed by Canadian federal and provincial consumer protection laws, including the Canada Post Corporation Act for postal services and the Consumer Protection Act for general consumer rights. The letter should be used when informal communication channels have not resolved the issue satisfactorily. It typically includes detailed documentation of the delivery problem, reference numbers, dates, and specific requests for resolution. The document can be escalated to consumer protection authorities or legal representatives if necessary, and serves as an important record for potential legal proceedings or complaints to regulatory bodies.

1. Sender's Details: Full name, address, contact information, and any relevant account or tracking numbers

2. Recipient's Details: Name of the delivery company, department, address, and any specific contact person

3. Date: Current date when the letter is written

4. Subject Line: Clear indication that this is a complaint about delivery service, including relevant reference numbers

5. Introduction: Brief statement identifying yourself and the purpose of the letter

6. Order Details: Specific information about the delivery in question, including dates, tracking numbers, and item description

7. Description of Issue: Clear, factual account of what went wrong with the delivery service

8. Impact Statement: Explanation of how the delivery issue has affected you

9. Previous Contact: Summary of any previous attempts to resolve the issue

10. Requested Resolution: Clear statement of what action you want the company to take

11. Closing: Professional closing statement with deadline for response and your signature