Section 22675 Of Chapter 6. Claims And Actions From California Streets And Highways Code >> Division 15. >> Part 2. >> Chapter 6.

. The validity of an assessment levied under this part for the purpose of raising revenue necessary to pay the debt service on bonds issued pursuant to Section 22662.5 shall not be contested in any action or proceeding, unless the action or proceeding is commenced within 30 days after the initial assessment is levied. Any appeal from a final judgment in the action or proceeding shall be perfected within 30 days after the entry of judgment.