1. Get your passport, credit or debit card ready, and read the help document. In addition to your passport, you may need a travel authorization such as a visa or an Electronic Travel Authorization (eTA) to enter Canada.Type or print legibly in black ink. What Documents Do I Need for the Application for Visitor Visa in Canada? Know what documents a child needs to travel to or from the U.S. All children, including infants, must have their own travel documents. You're also responsible for providing required documents to enter and travel through countries during your trip. This includes required visas. Use our Form Filler to fill out your form and print it. Instead, if the fullpage original I512L document should be used as the travel document. UTSA International Services is available to advise international students regarding what is required to enter the US after travel abroad.