A dual mandate occurs when an official serves in or holds multiple public positions simultaneously. This practice is sometimes known as double jobbing in Britain, double-dipping in the United States,
The MP-mayor of Belfort and the Cédric Perrin senator-mayor of Beaucourt at a ceremony in 2014
Democrat Morris Edelstein (left), Republican Louis Lefkowitz (center) and Communist Earl Browder, candidates in a special election to fill the vacancy caused by the death of Democrat William I. Sirovich, sing "The Star-Spangled Banner" at a "Democracy in Action" joint campaign meeting, January 30, 1940