By-Election Law and Legal Definition

By-election is an election held to fill the vacancy in a political office. It is also known as special election in the U.S and Philippines. This election is conducted when any member of the political office has died or has become incompetent to hold the office. By-elections are also conducted due to voting irregularities. In the U.S. such elections are conducted when any seat in Congress, state legislature or at the local level has become vacant.