Section 18093 Of Chapter 6. Levying And Collecting The Assessment From California Streets And Highways Code >> Division 14. >> Part 1. >> Chapter 6.

. If for any reason there is a deficiency in the funds derived from the assessment for any improvement, including all incidental expenses thereof, the city council may meet such deficiency by an appropriation out of the general fund of the city or by ordering a supplemental assessment in the same manner as nearly as may be as the first assessment, except that protests may only be made against such supplemental assessment.