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 resolution is another form of legislative measure used to propose law.
Primary focus of measure is administration of immigration and naturalization matters; immigration enforcement procedures; refugees and asylum policies; travel and residence documentation; foreign labor; benefits for immigrants. Measures concerning smuggling and trafficking of persons may fall under Crime and Law Enforcement policy area. Measures concerning refugees may fall under International Affairs policy area.