Cal. SHC § 5221.5

In lieu of hearing and passing upon protests as provided in Section 5221, the legislative body may continue the hearing of protests to a day certain and refer the protests to the superintendent of streets for investigation, report and recommendation as to the improvement and matters included in the protests. The report and recommendation of the superintendent of streets shall be in writing, and a copy thereof shall be mailed not less than five days prior to the continued hearing date for protests to each person owning property liable to be assessed who has made a written protest. At the time set for the continued hearing the legislative body shall hear and pass upon the report and recommendation of the superintendent of streets and its decision shall be final. The legislative body may adjourn the hearing from time to time. Protests may be withdrawn in the same manner as provided in Section 5221.