Section 31923 Of Chapter 11. Substitution Of Other Lands, Property Or Rights Of Way For Those Previously Acquired From California Streets And Highways Code >> Division 18. >> Part 1. >> Chapter 11.

. Proceedings under this chapter shall not be attacked after the hearing 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 a protest filed by him pursuant to this chapter.