Canada Post provides free mailing privileges to the following:

• Governor General or Secretary to the Governor General
• Speaker or Clerk of the Senate or House of Commons
• Parliamentary Librarian or Associate Parliamentary Librarian
• Members of the Senate
• Members of the House of Commons

In addition, anyone mailing an item to the above in Canada receives free postage. As a general rule, only Lettermail, Publications Mail and Addressed Admail are acceptable. Parcels and add on services are not acceptable at no charge as part of this service. As long as the letters M.P. appear on the mailing, it can be sent free of postage.