California Code, Probate Code - PROB § 19040

(a) Publication of notice pursuant to this section shall be for at least 15 days. Three publications in a newspaper published once a week or more often, with at least five days intervening between the first and last publication dates, not counting the first and last publication dates as part of the five-day period, are sufficient. Notice shall be published in a newspaper of general circulation in the city, county, or city and county in this state where the deceased settlor resided at the time of death, or if none, in the city, county, or city and county in this state wherein trust property was located at the time of the settlor's death, or if none, in the city, county, or city and county in this state wherein the principal place of administration of the trust was located at the time of the settlor's death. If there is no newspaper of general circulation published in the applicable city, county, or city and county, notice shall be published in a newspaper of general circulation published in this state nearest to the applicable city, county, or city and county seat, and which is circulated within the applicable city, county, or city and county. If there is no such newspaper, notice shall be given in written or printed form, posted at three of the most public places within the community. For purposes of this section, “city” means a charter city as defined in Section 34101 of the Government Code or a general law city as defined in Section 34102 of the Government Code.

(b) The caption of the notice, the deceased settlor's name, and the name of the trustee shall be in at least 8-point type, the text of the notice shall be in at least 7-point type, and the notice shall state substantially as follows:

(c) An affidavit showing due publication of notice shall be filed with the clerk upon completion of the publication. The affidavit shall contain a copy of the notice, and state the date of its first publication.