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I have two passports. One (Canada) does not require a visa (or ESTA) to enter the US. The other (New Zealand) would require at least an ESTA. If I am flying to visit the US, how can I ensure that the US electronic I-94 system records my Canadian passport number, and NOT my New Zealand passport?

I understand the US electronic I-94 system gets passenger passport information from airline manifests. In this case, should I explicitly give ONLY my Canadian passport number to the airline? What if the airline already has my information, including NZ passport number, recorded from prior trips? How can I control which passport number they will give CBP?

I am assuming that the I-94 electronic record is created when I present a passport to US immigration, but I'm unclear on exactly how it gets cleared when I leave.

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1 Answer 1

up vote 7 down vote accepted

Give them your Canadian passport.

From the US point of view, whichever one you travel on is the one you'll be using and therefore, your citizenship.

Example: I have New Zealand and South African, and travelled through the US on my New Zealand. Never need to mention the South African one - there's never a question about it, apart from some forms asking your place of birth.

You provide the passport to the airline for this trip - they'll ask again. You could have a new NZ passport by now, or a different citizenship, so they're always going to ask again.

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I assume by "them" you mean the airline. I suppose it isn't relevant today, since (AFAIK) only the US checks the passenger manifest from the airline, but it could potentially become complicated if two countries both checked the passenger manifests for immigration purposes and somebody wanted to (or was required to) use different passports for each country. –  Greg Hewgill May 30 at 19:24
    
By them, I meant anyone who asks for it :) But yes, the airline, travel agent, border - heck, don't even bother taking your NZ one with you, aside from for getting back into NZ (smart gate for the win!) –  Mark Mayo May 31 at 5:47

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