While standard Canadian citizens don't usually need DNA for routine entry to the U.S., new U.S. Customs and Border Protection (CBP) rules implemented in late 2025 expanded biometric collection (photos, fingerprints, iris scans) for all non-citizens, meaning you might be asked for DNA, especially for longer stays or if identity isn't clear via facial scans, with refusal potentially leading to denied entry, though technical rollout for land/pedestrian crossings is ongoing. For general entry, a valid passport or other approved documents (like an Enhanced ID) are key, but be aware of increased scrutiny and potential for advanced biometric requests.
Key Points for Canadians:
Standard Entry: For short visits, a valid Canadian passport, NEXUS, or Enhanced Driver's License (EDL) is usually sufficient.
New Biometric Rules (2025): U.S. CBP now has authority to collect facial images, fingerprints, iris scans, and potentially DNA from non-citizens, including Canadians, to verify identity and track entries/exits.
DNA Likelihood: While facial recognition handles most, DNA requests are possible for "high-value data" in some cases, with increased focus on long-term visitors (snowbirds) or if other methods fail.
照相指纹虹膜扫描,DNA 有可能
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