Completing the form Download and fill out the application form on a computer. The Generic Application Form for Canada IMM 0008 must be validated with 2D barcodes. If the 2D barcodes are missing or can't be machine read for any reason, the application will be returned to you without being processed.
U.S. citizens are exempt from the eTA requirement and must carry proper identification such as a valid U.S. passport. Lawful permanent residents of the United States who hold valid status in the U.S. are exempt from the eTA requirement.
CBP encourages travelers to apply for a travel authorization at least 72 hours in advance of their anticipated arrival at a U.S. land port of entry. I am a citizen of Canada? No, citizens of Canada who are traveling with a Canadian passport do not need an ESTA.