Probate Code § 10902

When a personal representative receives assets from the conservator of a deceased conservatee or the guardian of a deceased ward, the personal representative may incorporate by reference any accounting provided by the conservator or guardian for the decedent for the period subsequent to the date of death, and the personal representative is entitled to rely on the accounting by such other fiduciary, and shall not have a duty to independently investigate or verify the transactions reported in such an account.