Canadian TN Visa applicants have the option of applying for a TN visa in person at a designated port of entry or by mail with U.S. Citizenship and Immigration Services (USCIS).  When deciding to process for your TN Visa by mail with USCIS there are many factors that must be taken into account. In some cases processing by mail is advised over presenting an application in person at the border. TN applications by mail are common for those already in the United States in TN status, changes in employment, and  adding additional employers. USCIS adjudicators make their decision on your case based on the supporting evidence submitted with USCIS Form I-129. USCIS will either approve the application, deny the application, or issue a request for additional evidence (RFE).  Before filing a TN Visa application by mail with USCIS it is best to speak with a TN visa lawyer experienced in TN visa applications by mail.  Due to our years of experience assisting Canadians with TN Visa applications and our frequent interactions with USCIS, we are able to provide the most current and effective TN Visa representation available.