Bills are the primary form of legislative measure used to propose law. Depending on the chamber of origin, bills begin with a designation of either H.R. or S.
Joint resolutions are another form of legislative measure used to>propose changes in law, or to propose an amendment to the U.S. Constitution. Depending on the chamber of origin, they begin with a designation of either H.J.Res. or S.J.Res.
Concurrent resolutions are a form of legislative measure used for the regulation of business within both chambers of Congress, not for proposing changes in law. Depending on the chamber of origin, they begin with a designation of either H.Con.Res. or S.Con.Res.
Simple resolutions are a form of legislative measure introduced and potentially acted upon by only one congressional chamber and used for the regulation of business only within the chamber of origin. Depending on the chamber of origin, they begin with a designation of either H.Res. or S.Res.
All definitions are from the Congress.gov Glossary.
