2005 California Government Code Sections 1300-1303 Article 1. General

1300.  Every officer, the mode of whose appointment is not
prescribed by law, shall be appointed by the Governor.
1301.  Every office, the term of which is not fixed by law, is held
at the pleasure of the appointing power.
1302.  Every officer whose term has expired shall continue to
discharge the duties of his office until his successor has qualified.
1303.  Every person who exercises any function of a public office
without taking the oath of office, or without giving the required
bond, is guilty of a misdemeanor.
   This section does not affect the validity of acts done by a person
exercising the functions of a public office in fact, where other
persons than himself are interested in maintaining the validity of
such acts.