California Code, Probate Code - PROB § 1844

(a) In a proceeding to appoint a conservator for an absentee under Article 3 (commencing with Section 1820) of this chapter or Article 3 (commencing with Section 2001) of Chapter 8, an official written report or record complying with Section 1283 of the Evidence Code that a proposed conservatee is an absentee shall be received as evidence of that fact and the court shall not determine the status of the proposed conservatee inconsistent with the status determined as shown by the written report or record.

(b) The inability of the proposed conservatee to attend the hearing is established by the official written report or record referred to in subdivision (a).