Probate Code § 11700

11700.

At any time after letters are first issued to a general personal representative and before an order for final distribution is made, the personal representative, or any person claiming to be a beneficiary or otherwise entitled to distribution of a share of the estate, may file a petition for a court determination of the persons entitled to distribution of the decedent’s estate. The petition shall include a statement of the basis for the petitioner’s claim.