2009 California Probate Code - Section 7220 :: Article 2. New Trials

7220.  In proceedings under this code concerning the administration
of the decedent's estate, a motion for a new trial may be made only
in the following cases:
   (a) Contest of a will or revocation of probate of a will.
   (b) Cases in which a right to jury trial is expressly granted,
whether or not the case was tried by a jury.