Section 35475 Of Article 2. Assessments From California Streets And Highways Code >> Division 18. >> Part 4. >> Chapter 3.5. >> Article 2.

. Proceedings under this chapter shall not be attacked upon any ground not stated in an objection or protest filed pursuant to this chapter. Any landowner or person interested in any land within the district is estopped to attack the proceedings upon any ground not stated in an objection or protest filed by him pursuant to this chapter.