8 CFR 100.1 - Introduction.

Regulations last checked for updates: Feb 09, 2026

Title 8 - Aliens and Nationality last revised: Feb 03, 2026

View all text of Part 100 [§ 100.1 - § 100.6]

§ 100.1 - Introduction.

The following components have been delegated authority under the Immigration and Nationality Act to administer and enforce certain provisions of the Immigration and Nationality Act and all other laws relating to immigration: U.S. Customs and Border Protection (CBP), U.S. Immigration and Customs Enforcement (ICE), and U.S. Citizenship and Immigration Services (USCIS).

[74 FR 26936, June 5, 2009]

authority: 8 U.S.C. 1103; 8 U.S.C. 1185 note (section 7209 of Pub. L. 108-458); 8 CFR part 2

source: 32 FR 9616, July 4, 1967, unless otherwise noted.

cite as: 8 CFR 100.1