8 CFR 100.1 : Aliens And Nationality (§ 1.1 To Parts 1338-1399) — (§ 1.1 To Parts 1338-1399) — Department Of Homeland Security (§ 1.1 To Parts 393-499) — Immigration Regulations (§ 100.1 To § 299.5) — Statement Of Organization (§ 100.1 To § 100.6) — 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).