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Guide to Mailing Your Tax Return

Use proper postage and follow these mailing tips to ensure prompt processing.

Highlights


Guide to Mailing Your Tax Return
  • Postage varies depending on the number of pages you’re sending.
  • How to ensure your return is delivered by the deadline.
  • Get tax forms, guides and return envelopes at your local Post Office.

Tips for Mailing Your Tax Return

April 30 is the deadline for filing your income tax return. Here are some tips:

  • Get tax forms, guides and return envelopes at your local Post Office.
  • Affix sufficient postage; postage varies by size, weight and mailing options.
  • Place a return address on return envelopes and packages.
  • Ensure items are well sealed.
  • Don’t forget to attach your mail-in label to the return envelope.

How much postage do I need when using Lettermail service?

Lettermail™ postage depends on size (length, width, thickness) and weight.

Postage will depend on the number of pages within your envelope. To ensure you have sufficient postage, use the guidelines below, but visit your nearest Post Office to be sure. Items with insufficient postage will be returned to sender.

Envelope Type of paper Approximate weight Postage Required
1 CRA envelope

4 regular 8.5" x 11" pages
(5 g per page)

27 g $1.00*

8 regular 8.5" x 11" pages
(5 g per page)

47 g $1.20

1 CRA envelope

5 pages from a CRA tax booklet
(3 – 4 g per page)

22-27 g depending on booklet $1.00*

9 pages from a CRA tax booklet
(3 – 4 g per page)

47 g $1.20

*$0.85 Permanent (P) stamps sold in booklets and coils
**A rate of $1.00 applies when stamps are purchased individually.

Note: Discounts available when using postage meter or postal indicia.

When will it get there?

Lettermail service is fast, easy and cost-effective.

DELIVERY ZONE LOCAL WITHIN PROVINCE NATIONAL
Major Urban Centres 2 days 3 days 4 days
Non-major Urban Centres 2 days 3 days 4 days
Northern Regions and Remote Centres 2 days up to 6 days up to 8 days

Our delivery standards are based on estimates of how long it takes for properly prepared Lettermail items to be delivered. Although we make every effort to meet these high standards, they are not guaranteed.

Where can I mail my tax return?

If sufficient postage (stamp or meter impression) is affixed to your income tax return, deposit it in a street letter box, at any Post Office or community mailbox.

Find a Post Office near you.

Other mailing options

Close to the deadline? Take your tax return to any one of our over 6,000 Post Offices and we’ll advise you on how best to mail it. We have many mailing solutions.

Canada Post Service Speed and Features COST
Lettermail service

Fast: 2 - 4 days

  • Apply sufficient postage and deposit in a street letter box, or at the Post Office
  • Great for envelopes & small packages up to 500 g.
$
Registered Mail

Fast: 2 - 4 days

  • Get a receipt as proof of mailing.
  • We secure a signature upon delivery.
  • Confirm delivery of your item online.
  • Ideal for envelopes & small packages up to 500 g.
$$
Xpresspost

Fastest: Next business day (local); 2-day (national)

  • Confirm delivery of your item online.
  • Option: signature upon delivery.
  • Use for documents, small packets and parcels up to 30 kg.
$$$

Support

Need help? Contact us and we'll gladly answer your questions.

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