California Family Code
Family Code section 2550
2550
Except upon the written agreement of the parties, or on oral stipulation
of the parties in open court, or as otherwise provided in this division,
in a proceeding for dissolution of marriage or for legal separation of
the parties, the court shall, either in its judgment of dissolution of
the marriage, in its judgment of legal separation of the parties, or at
a later time if it expressly reserves jurisdiction to make such a property
division, divide the community estate of the parties equally.