6 U.S. Code § 521
6 U.S. Code § 521 is about Legal status of EOIR. It is under Part A (Executive Office for Immigration Review) of Subchapter XI (Department Of Justice Divisions) of Chapter 1 (Homeland Security Organization) of Title 6 (Domestic Security) of the Code.
(a) [1] Existence of EOIRThere is in the Department of Justice the Executive Office for Immigration Review, which shall be subject to the direction and regulation of the Attorney General under section 1103(g) of title 8.