Article 2. New Trials of California Probate Code >> Division 7. >> Part 1. >> Chapter 3. >> Article 2.

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.