If you are utilizing California probate code 850 to do a Heggstad petition or other utilization of this broad code section be careful on your notice of hearing! As of January 1, 2018 there is a new California probate code section 851.
Prob C § 851. (a) At least 30 days prior to the day of the hearing, the petitioner shall cause notice of the hearing and a copy of the petition to be served in the manner provided in Chapter 4 (commencing with Section 413.10) of Title 5 of Part 2 of the Code of Civil Procedure on all of the following persons where applicable:
(1) The personal representative, conservator, guardian, or trustee as appropriate.
(2) Each person claiming an interest in, or having title to or possession of, the property.
(b) Except for those persons given notice pursuant to subdivision (a), notice of the hearing, together with a copy of the petition, shall be given as provided in Section 1220 if the matter concerns a decedent estate, as provided in Section 1460 if the matter concerns a conservatorship or guardianship, or as provided in Section 17203 if the matter concerns a trust to all of the following persons: