S. Garfielde (Editor), Compiled Laws of the State of California: Containing All the Acts of the Legislature of a Public and General Nature, Now in Force, Passed at the Sessions of 1850–51–52–53, 643–44 (1853), ch. 125,div. 4, §§ 40–41

Abstract

Prohibited dueling. Should the opponent be killed, violators and their seconds shall be punished in state prison for a term not less than one year but no more than five years.