FlyerTalk Forums - View Single Post - Dual citizenship... USA/CAD - which to use?
Old Jul 5, 2012, 9:12 am
  #2  
Stranger
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Join Date: Jun 2003
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The US expects US citizen to use a US passport when entering.

Pretty sure Canada has the same rule, i.e. that you must enter Canada using your Canadian passport.

Brazil has the same rule. In contrast, most European countries don't care.
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