Border Entry Laws: What to Know When Entering the United States
Entering the United States at a port of entry is the moment when all your visa preparation, documentation, and planning come to a test. A Customs and Border Protection officer decides whether to admit you, and that decision is made in minutes. The encounter at the border is governed by a distinct set of laws that grant extensive authority to CBP officers while providing limited procedural rights to arriving travelers.
The border is different from the interior. Courts have long held that the government has broader search and inspection authority at the border than anywhere else. Understanding what CBP officers can and cannot do, and what your obligations are, can make the difference between a smooth entry and a denial of admission.
Legal Framework of Border Entry
The Immigration and Nationality Act grants the Secretary of Homeland Security broad authority to regulate the admission of noncitizens. CBP officers exercise this authority at 328 official ports of entry across the United States. The officer determines admissibility based on the traveler’s documents, answers to questions, and any relevant databases.
Primary Inspection
Primary inspection is the initial encounter at the border. For travelers arriving by air, primary inspection occurs at the passport control booth. For travelers arriving by land, primary inspection occurs at the vehicle inspection booth. The CBP officer reviews your passport, visa if applicable, and arrival record.
The primary inspection is brief. The officer asks about the purpose of your trip, where you are staying, and how long you intend to remain. The officer may also ask about the contents of your luggage and whether you are bringing any items that require declaration. Most travelers are admitted at primary inspection within a few minutes.
Secondary Inspection
Secondary inspection is a more detailed review conducted away from the primary inspection area. Travelers may be referred to secondary inspection for various reasons including incomplete documentation, discrepancies in answers, database alerts, random selection, or additional screening requirements.
Secondary inspection can be lengthy. The officer may search your luggage, electronic devices, and person. The officer may question you in detail about your travel history, background, and intentions. You may be detained for hours while CBP verifies your information.
You have limited rights in secondary inspection. You have the right to remain silent, though silence may be used against you in the admissibility determination. You have the right to an attorney in secondary inspection, but CBP is not required to provide one and is not required to delay the inspection while you find one. You have the right to contact your consulate.
Admissibility Determinations
The CBP officer determines whether you are admissible under the grounds of inadmissibility in INA section 212. The officer considers the purpose of your visit, your documents, your immigration history, and any criminal or security issues.
Document Requirements
Citizens of most countries need a valid passport and either a visa or authorization under the Visa Waiver Program. The specific document requirements depend on the country of citizenship and the purpose of travel. CBP officers have discretion to request additional documentation.
Duration of Admission
CBP officers determine the duration of admission. B-2 visitors are typically admitted for six months. Visa Waiver Program visitors are admitted for ninety days. F-1 students are admitted for duration of status. The officer stamps the passport or issues an I-94 record showing the admission date and authorized stay.
Overstaying the authorized period results in unlawful presence. Unlawful presence triggers accrual of time that can result in bars to reentry. Three years of unlawful presence triggers a three-year bar. Ten years triggers a ten-year bar.
Expedited Removal
Expedited removal is a summary removal process that applies to certain arriving aliens. Under INA section 235, CBP officers have authority to issue expedited removal orders without a hearing before an immigration judge.
When Expedited Removal Applies
Expedited removal applies to arriving aliens who lack valid documents or who have engaged in fraud or misrepresentation. The process also applies to applicants for admission who are encountered within 100 miles of the U.S. border and have been in the country for less than fourteen days.
The expedited removal process is fast. The CBP officer issues Form I-860, Notice and Order of Expedited Removal. The officer conducts a brief interview to determine whether the person has a credible fear of persecution or torture.
Credible Fear Screening
If the person expresses a fear of return during expedited removal proceedings, CBP refers them for a credible fear interview with a USCIS asylum officer. If the officer finds a credible fear, the person is placed in full removal proceedings and may apply for asylum. If no credible fear is found, the expedited removal order stands, subject to review by an immigration judge.
Electronic Device Searches
CBP has the authority to search electronic devices at the border. The Supreme Court has not directly ruled on the scope of the border search exception for electronic devices, but lower courts have generally upheld CBP’s authority to conduct basic searches.
CBP policy distinguishes between basic searches and advanced searches. Basic searches involve manual inspection of the device. Advanced searches involve connecting external equipment to review, copy, or analyze the device’s contents. Advanced searches require reasonable suspicion.
CBP may search any electronic device including phones, laptops, tablets, and external drives. Travelers are not required to provide passwords, but CBP may deny admission if passwords are withheld. Business travelers should consider using temporary devices or encrypted cloud storage to protect sensitive information.
Agricultural and Customs Inspections
All travelers entering the United States must declare agricultural goods. CBP and the Department of Agriculture work together to prevent the introduction of plant pests, animal diseases, and invasive species. Failure to declare agricultural items can result in fines starting at $1,000.
Prohibited items include fresh fruits and vegetables, meat and poultry products, plants and seeds, soil, and certain animal products. Travelers who fail to declare prohibited items may face penalties even if the items were purchased at a duty-free shop. CBP agriculture specialists inspect luggage and cargo at all ports of entry.
Global Entry and Trusted Traveler Programs
Frequent international travelers may apply for Global Entry, which provides expedited clearance at participating airports. Global Entry members use automated kiosks at primary inspection, bypassing the regular passport control lines. Membership requires a background check, an interview with CBP, and a $100 fee for five years.
Other trusted traveler programs include NEXUS for travel between the United States and Canada, SENTRI for travel between the United States and Mexico, and FAST for commercial truck drivers. Each program requires a background check and provides dedicated lanes at land border crossings. Trusted traveler status does not exempt travelers from inspection or from the requirement to present valid documents.
Rights of U.S. Citizens at the Border
U.S. citizens have the right to enter the United States. CBP cannot deny entry to a U.S. citizen. However, CBP may detain and question U.S. citizens at the border to verify citizenship. The length of detention must be reasonable.
U.S. citizens who cannot prove citizenship may be detained while CBP verifies their status. A passport is the best proof. A birth certificate and government-issued photo ID are also accepted. Naturalized citizens should carry their naturalization certificate or U.S. passport.
Frequently Asked Questions
Can CBP search my phone without a warrant? At the border, yes. The border search exception allows CBP officers to search electronic devices without a warrant. The search must be reasonable in scope and duration.
What should I do if I am referred to secondary inspection? Stay calm and cooperative. Answer questions truthfully. Ask for an attorney if you need one. Do not lie or provide false documents, which can result in permanent inadmissibility.
Can I be denied entry even with a valid visa? Yes. A visa does not guarantee admission. The CBP officer makes the final admissibility determination. Officers may deny admission if they believe the traveler intends to violate the terms of their visa.
What happens if CBP determines I am inadmissible? You may be placed in expedited removal proceedings or offered voluntary withdrawal of your application for admission. Voluntary withdrawal avoids a formal removal order.
Can I apply for asylum at the border? Yes. Anyone who is in the United States or arrives at a port of entry may apply for asylum regardless of how they entered. You must express a fear of persecution to the CBP officer. You will then be referred for a credible fear interview with a USCIS asylum officer.
What documents should I carry when traveling to the U.S.? Carry your valid passport, visa or ESTA authorization, your I-94 arrival record, and evidence of the purpose of your trip. Keep documents accessible in your carry-on luggage, not in checked baggage.
Can CBP officers use force during inspections? CBP officers may use reasonable force when necessary for self-defense or to ensure compliance with a lawful order. Excessive force claims are investigated by CBP’s Office of Professional Responsibility.
Visa Types Guide — Visa Waiver Program — Immigrant Rights Guide