The Government Publishing Office (GPO) is the official source for producing, publishing, and distributing information for all three branches of the U.S. federal government.

The U.S. Government Publishing Office (GPO) is a federal agency responsible for producing, preserving, and distributing official government information in both print and digital formats. Established in 1861, the GPO plays a vital role in ensuring transparency and accessibility of government documents, including congressional bills, federal regulations, official publications, and passports. Through its services, the GPO provides the public, libraries, and government agencies with reliable access to authoritative information, helping to uphold democratic accountability.