1. Get your passport, credit or debit card ready, and read the help document. When using U.S. preclearance facilities at a Canadian airport, you must meet U.S. entry requirements.We provide services to Canadians visiting and living in the United States. Apply online for an eTA. If traveling, you must always carry your immigration documents. Depending on your visa status, you may need specific documentation. In addition to your passport, you may need a travel authorization such as a visa or an Electronic Travel Authorization (eTA) to enter Canada. Canadian law requires that all persons entering Canada carry both proof of citizenship and proof of identity. You must be physically present in the United States when you file the Reentry Permit application and complete the biometrics services requirement. Passport (Please submit only clear black and white copies, as poor-quality copies may cause delays in the processing of your visa application):.