1. Get your passport, credit or debit card ready, and read the help document. Submit your customs and immigration declaration online using Advance Declaration up to 72 hours before you arrive in Canada.To complete the form, you will need your passport, a credit or debit card, and an email address. You must also answer a few questions. A consent letter demonstrates that a child has permission to travel outside Canada from every parent or guardian who is not accompanying them on the trip. Carry a valid Canadian passport for all visits abroad, including visits to the US. It is the only universally accepted identification document. Passengers flying to Canada require an Electronic Travel Authorization (eTA). The application needs to be completed 72 hours prior to your departure date. Using the free ArriveCan app, you can submit your customs and immigration declaration up to 72 hours before your arrival in Canada. Canada Tourist Visa Requirements, Fees and Order Form for Non-US Citizens at the New York Office.