1. Get your passport, credit or debit card ready, and read the help document. The WHTI-compliant document you choose to use must be valid for the duration of your stay.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. The Student International Approval Form is required for any International UCSF-sponsored travel for work, study or conferences. Travelers must apply for eTA before travelling to Canada: via the "Visa Requirements" section of our Travel and Visa Requirements tool. The Student International Approval Form is required for any International UCSF-sponsored travel for work, study or conferences. 1) Canadian Passport. This is an internationally recognized travel document that verifies a person's identity and citizenship. Via the "Visa Requirements" section of our Travel and Visa Requirements tool.