The Mail Preparation and Presortation guides are intended to help mailers and mail service providers prepare and presort their mailings according to Canada Post's requirements.

Compliance with the requirements outlined in these guides is required when using the following Canada Post services and options:

• Preparing and Depositing Orders – file import capabilities
• Machineable Mail Import File

• Machineable Presort – Addressed Admail
• Machineable Mail – Addressed Admail, Incentive Lettermail and Publications Mail
• Letter Carrier Presort (LCP) – Addressed Admail and Publications Mail
• V 1.0 - Effective 01/14/13
• V 1.1 - Effective 06/14/13
• Brick–Piling – Unaddressed Admail
• Unaddressed Admail
• Incentive Lettermail
• Standard Lettermail

• NDG Presort Online Training
• Mail Preparation and Presortation Tutorials
• Letterflatainer (LFT) Reference Guide

• Ordering Containers and Shipping Units
• Customer-supplied cardboard boxes
• Canada Post Cardboard Lettertainers
• Cardboard Lettertainers Specifications