4 Answers. The U.S. government does not in general know whether you have another passport, nor does the U.S. government care that you have another passport. Occasionally they could know, for example, if Customs searches your bags during entry and finds the other passports.

What happens if you lie about dual citizenship?

A false claim to U.S. citizenship makes you deportable and permanently inadmissible. If it occurs after 1996 there is no waiver. This triggers some of the harshest penalties in all of immigration law.

What do you need to know about dual citizenship in Canada?

Individuals seeking Canadian citizenship should consult their native government or native country’s embassy or consulate for complete information regarding the impact on their current citizenship status should they acquire Canadian citizenship. While there are many benefits to dual and multiple citizenship, some disadvantages may occur.

Can you have dual citizenship in more than one country?

If more than one country recognizes you as a citizen, you have dual citizenship. You don’t apply for dual citizenship, and there is no related certificate. Canadians are allowed to take foreign citizenship while keeping their Canadian citizenship.

Can a Canadian citizen have a second citizenship in another country?

A citizen of Canada will retain Canadian citizenship upon acquiring a second citizenship in another country. In fact, Canadian citizens cannot lose their citizenship unless they voluntarily renounce it via a complicated legal procedure.

When do dual citizens have to file taxes in Canada?

Requirements for Dual Citizens Residing in Canada. For U.S. persons living outside the United States, the general tax filing deadline is June 15-th . If you reside in Canada, you generally get an automatic 2-month extension to file your return, which is usually June 15-th of the year following the tax year that is being reported.