1. Get your passport, credit or debit card ready, and read the help document. Among those exempted from this new requirement are U.S. citizens and travellers with a valid visa.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. You will need your passport when completing the application. 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. The eTA can be obtained online through a short application form on the Government of Canada's website and electronically linked to your passport number. U.S. Customs and Border Protection officers determine admissibility upon travelers' arrival. To submit this form, complete all required fields accurately and ensure all information is current.