PROB §13650: (a) A surviving spouse or the personal representative, guardian of the estate, or conservator of the estate of the surviving spouse may file a petition in the superior court of the county in which the

(a) A surviving spouse or the personal representative, guardian of the estate, or conservator of the estate of the surviving spouse may file a petition in the superior court of the county in which the estate of the deceased spouse may be administered requesting an order that administration of all or part of the estate is not necessary for the reason that all or part of the estate is property passing to the surviving spouse. The petition may also request an order confirming the ownership of the surviving spouse of property belonging to the surviving spouse under Section 100 or 101. (b) To the extent of the election, this section does not apply to property that the petitioner has elected, as provided in Section 13502, to have administered under this code. (c) A guardian or conservator may file a petition under this section without authorization or approval of the court in which the guardianship or conservatorship proceeding is pending.