The Congressional Documents collection from govinfo consists of House Documents, Senate Documents, and Senate Treaty Documents from 1975 to the present, though there are gaps in coverage.

A hearing is a meeting or session of a Senate, House, joint, or special committee of Congress, usually open to the public, to obtain information and opinions on proposed legislation, conduct an investigation, or evaluate/oversee the activities of a government department or the implementation of a Federal law.

The U.S. Government Accountability Office (GAO) is an independent, nonpartisan agency that works for Congress. Often called the "congressional watchdog," GAO investigates how the federal government spends taxpayer dollars.

In 2018, Congress passed a law directing the creation of this site and ending the legal requirement prohibiting CRS from providing its products to the public.