The Depository Library Inspection Program

The Government Printing Office (GPO) is authorized by law to act as the primary printer and distributor of U.S. government documents for the federal government. Among its mandates is the operation of the Federal Depository Library Program — one of America's oldest information networks — through which certain libraries across the country and its territories receive government publications. The majority of depositories are designated as official Congressional Depository Libraries by members of Congress for their respective districts or states. Some libraries enter under special legislation, such as most of the law school libraries, and are called “by law” depositories. All of these depositories work closely with GPO to ensure that the public will receive free access to federal publications.