Under Paragraph 1 of Article XXI, we require the following information prior to issuing a Letter of Exemption:
Income Tax Convention with effect to March 31, 2021. organizations listed in this guide are approved for the exemption from Canadian Non-Resident Tax under Article XXI, paragraphs 1 and 2 of the Canada – U.S. Clients who want a Letter of Exemption should write to the Sudbury Tax Center at the following address:įor more information about Letters of Exemption call us at 1-85 (Canada and the United States), or 61 (Outside Canada and the United States), or by fax us at 1-86 (Canada and the United States) or 1-70 (Outside Canada and the United States).