The Executive Office for Immigration Review (EOIR), a division of the Department of Justice, plays an important role in the administration of immigration law. The EOIR supervises both the Board of Immigration Appeals (BIA) and the Office of the Chief Immigration Judge.
The following is a guide to finding administrative regulations and rulings.
Code of Federal Regulations: Title 8 of the CFR deals with "Aliens and Nationality". Title 8 is available in full on the USCIS website. However, many other sections of the CFR also deal with immigration issues and are also available on the USCIS website.
Board of Immigration Appeals (BIA) Decisions
Decisions issued by the U.S. Department of Justice, Immigration and Naturalization Service, Administrative Appeals Office (AAO) (formally the Administrative Appeals Unit (AAU)).
OCAHO Decisions (Immigration-related decisions issued by the Chief Administrative Hearing Officer of the Department of Justice)
BALCA Decisions (Decisions of the Department of Labor Board of Alien Labor Certification Appeals)