Zadvydas v. Davis

Holding that the Government's detention authority under Section 1231 is authorized for "a period reasonably necessary to secure removal"

Plyler v. Doe

Holding that States cannot deny to illegal aliens the free public education they provide to citizens and legally documented aliens

Clark v. Martinez

Holding that § 1231 does not authorize indefinite detention

Reno v. American-Arab Anti-Discrimination Com

Holding that "an alien unlawfully in this country has no constitutional right to assert selective enforcement as a defense against his deportation"

INS v. Lopez-Mendoza

Holding that "deportation is not to punish past transgressions but rather to put an end to a continuing violation of the immigration laws."

Chamber of Commerce v. Whiting

Holding that Congress’s express reservation of state authority to impose certain civil sanctions means what it says

Dada v. Mukasey

Holding that aliens must be permitted to unilaterally withdraw voluntary departure requests in order to pursue motions to reopen

Delrio-Mocci v. Connolly Props. Inc.

Holding dismissal of civil RICO claims failing to meet this standard

U.S. v. Silveus

Holding that a touchstone of Section 1324's "in furtherance of" language is intent

United States v. Cores

Holding that punishment of “any alien crewman who willfully remains in the United States in excess of the number of days allowed” is a continuing offense

Section 1326 - Reentry of removed aliens

Defining offense elements

Section 1101 - Definitions

Finding notice and comment rulemaking is required for the agency's interim rule recognizing fear of coercive family practices as basis for refugee status

Section 1158 - Asylum

Holding a "pattern or practice" of persecution requires it be "systemic, pervasive, or organized"

Section 1229a - Removal proceedings

Granting a noncitizen the right to file one motion to reopen and providing that “the motion to reopen shall be filed within 90 days of the date of entry of a final administrative order of removal”

Section 1324 - Bringing in and harboring certain aliens

Holding liable any person who "transports . . . or attempts to transport" an alien who has entered the United States in violation of the law

Section 1255 - Adjustment of status of nonimmigrant to that of person admitted for permanent residence

Listing classes of nonimmigrants, such as students and tourists

Section 1229 - Initiation of removal proceedings

Authorizing service by mail

Section 1325 - Improper entry by alien

Penalizing improper entry into U.S. by virtue of willful false statement of material fact

Section 836 - Arrest with warrant and without warrant; domestic violence call

Authorizing a felony arrest without a warrant

Section 1324a - Unlawful employment of aliens

Authorizing the Attorney General to pursue injunctive relief and criminal sanctions in federal district court

Section 274a.2 - Verification of identity and employment authorization

Establishing Form I–9

Section 1020.220 - Customer identification program requirements for banks

Requiring risk-based customer verification procedures

Section 274a.1 - Definitions

Excluding "independent contractor" from the definition of "employee"

Section 100.1 - Introduction

Granting such authority to the following DHS components: U.S. Citizenship and Immigration Services, U.S. Immigration and Customs Enforcement, and U.S. Customs and Border Protection

Section 5.508 - Submission of evidence of citizenship or eligible immigration status

Providing that households in which some, but not all, family members establish eligible immigration status may nonetheless receive federal housing assistance

Section 1020.100 - Definitions

Defining customers as: " A person that opens a new account; and An individual who opens a new account for: An individual who lacks legal capacity, such as a minor; or (B) An entity that is not a legal person, such as a civic club."

Section 5.520 - Proration of assistance