Index/Topics/Immigration and Nationality Act

Immigration and Nationality Act

The Immigration and Nationality Act, which governs immigration in the United States.

Fact-Checks

12 results
Jan 13, 2026
Most Viewed

Which federal laws govern ICE operations on tribal lands and how have courts ruled on tribal sovereignty?

Federal law governing ICE activity on tribal lands is a patchwork of immigration statutes, longstanding treaties, congressional statutes like Public Law 280, executive-branch directives, and Departmen...

Jan 14, 2026
Most Viewed

Does ICE work with border patrol to find immigrants?

Yes — ICE and the U.S. Border Patrol (part of Customs and Border Protection, CBP) are separate agencies under the Department of Homeland Security but they routinely work together and share enforcement...

Jan 14, 2026
Most Viewed

When are noncitizens legally required to carry immigration documents and what statutes mandate it?

Federal immigration law requires many noncitizens to register with the U.S. government and—if they are subject to the carry rule—to carry proof of that registration or their alien-registration documen...

Jan 16, 2026

What legal authorities grant ICE agents their arrest and deportation powers?

The statutory backbone for ICE’s power to arrest and detain noncitizens is found primarily in the Immigration and Nationality Act and its implementing statutes—most notably 8 U.S.C. §§ 1226 and 1357—w...

Jan 14, 2026

Are there annual country-specific per-country limits for U.S. immigrant visas and what are they?

The U.S. immigration system imposes per-country ceilings that generally limit immigrant visas from any single country to seven percent of certain annual visa pools, with specific percentages and excep...

Jan 12, 2026

What legal standards and evidence are required to prove marriage fraud or familial relationships in immigration investigations?

US immigration authorities apply a heightened evidentiary standard—“substantial and probative evidence”—to find marriage fraud, a threshold courts and the Board of Immigration Appeals describe as more...

Jan 21, 2026

What legal authority allows or limits local police from participating in ICE residential raids?

in residential raids is governed by a mix of federal statutes that enable cooperation, state and local laws that can restrict it, and written agreements that deputize local officers—most notably 8 U.S...

Jan 20, 2026

How do state laws treat undocumented immigrants differently from federal immigration law?

State laws treat undocumented immigrants differently from federal immigration law by operating in a complementary but sometimes adversarial sphere: federal law governs status, admission, removal, and ...

Jan 19, 2026

What legal safeguards and review processes exist to prevent the deportation of U.S. citizens?

A web of constitutional protections, statutory rules, and administrative review mechanisms is designed to prevent the deportation of U.S. citizens and to catch government errors before they result in ...

Jan 18, 2026

What is 'derivation of citizenship' under U.S. immigration law and how has it been used in past congressional eligibility challenges?

Derivation of citizenship is the statutory mechanism by which a child born abroad or as a minor can automatically acquire U.S. citizenship through the naturalization or status of a parent rather than ...

Jan 16, 2026

What is the ICE 16001.2 policy on assessing U.S. citizenship and where can the full text be read?

The ICE Directive 16001.2 is a formal agency policy requiring ICE officers, agents and attorneys to immediately and carefully investigate and analyze any indication that an individual encountered by I...

Jan 9, 2026

What is the legal basis for immigration law enforcement, besides the Constitution?

Federal immigration enforcement rests largely on statutory law enacted by Congress—principally the Immigration and Nationality Act codified in Title 8 of the U.S. Code—and on implementing regulations ...