California Code, Health and Safety Code - HSC § 4835

(a) Set forth the exterior boundaries of the territory proposed for annexation.

(b) State that the territory will be benefitted by annexation to the improvement district.

(c) Fix a time, date, and place of hearing on the proposed annexation, which shall be not less than 15 days nor more than 60 days after the date of adoption of the resolution initiating proceedings.

(d) State that any interested person desiring to make written protest against such annexation shall do so by written communication, containing the signature and street address of the protestant, filed with the clerk of the district not later than the hour set for hearing.