You need to establish, through a vetting in both countries, your identity and your bona fides to make sure you have no criminal background. But you do not need a passport at the time you cross the border.
President, Canada Border Services Agency
You need to establish, through a vetting in both countries, your identity and your bona fides to make sure you have no criminal background. But you do not need a passport at the time you cross the border.
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