California Code, Streets and Highways Code - SHC § 10123

The proposition is approved if a majority of the voters voting approve the measure.

If the measure is approved by the voters, assessments shall be levied and collected pursuant to Chapter 5 (commencing with Section 10400).  The legislative body may pay the cost of the work described in Section 10112 prior to the collection of assessments.

Any assessment imposed pursuant to this section may be collected in installments over a period not to exceed five years.