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Public Announcements

New requirements for U.S. citizens entering the United States by land or sea


As of January 31, 2008, adult U.S. citizen travelers who are seeking to enter the United States by land or sea must present both (1) proof of citizenship and (2) proof of identity in order to be admitted into the United States. This requirement results from new provisions of the Western Hemisphere Travel Initiative.

Examples of acceptable proof of citizenship include a U.S. birth certificate, Certificate of Naturalization, or U.S. passport, either currently valid or expired. Examples of proof of identity include a passport, state-issued driver’s license or identification, or a SENTRI/NEXUS/FAST card.

As of January 31, 2008, oral declarations of citizenship alone will no longer be acceptable for admission into the United States.

Children ages 18 and under will only be required to present proof of citizenship, such as a birth certificate.

Click here to read the public announcement about implementation of this new entry requirement.

Click here for general information about the Western Hemisphere Travel Initiative.

Travel by air

The first phase of the Western Hemisphere Travel Initiative which requires U.S. citizens traveling to the United States by air to have a passport remains in effect. All U.S. citizens must present a passport in order to board a U.S.-bound flight.

Click here for the passport requirement for air travelers.

Mexican citizens

Entry requirements to the United States for Mexican citizens remain unaffected by the Western Hemisphere Travel Initiative. Mexican visitors traveling by land or sea must have a passport and nonimmigrant visa or Form DSP-150 (also known as a "Laser Visa"). Form DSP-150 is a biometric, machine readable, B1-B2 Visa/border crossing card that may be used to enter the United States from within the Western Hemisphere. Mexican citizens traveling by air must also have their valid Mexican passport in addition to their visa document.

Mexican citizens who are also legal permanent residents of the United States may enter the United States by land, sea or air with their Alien Registration Card (“green card.”). A Mexican passport is not necessary when entering the United States.

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