legal definition of adultery in california
California Adultery Law. Adultery is defined as voluntary sexual intercourse by a married person with someone other than his or her spouse. In some states, it is possible to legally end a marriage based on a spouseâs adulterous acts. For example, in Louisiana, adultery is one of three standard grounds for divorce. A spouse will have to prove that his or her spouse committed adultery in order to establish âfaultâ and prove that it led to the breakdown of their marriage. In California, which is a no-fault state, the standard grounds for divorce are: