Cal. HSC § 4750

When the engineers’ report is filed the district board shall examine it and may thereupon (a) reject it and direct that a new report be prepared; (b) direct that changes be made in it; or (c) if it complies with the provisions of this chapter and is satisfactory to the board it shall fix a time and place for hearing objections to the report and to doing all or any part of the work referred to in the report.