Section 71196 Of Chapter 6. Establishment Of District From California Water Code >> Division 20. >> Part 2. >> Chapter 6.

. Any proceeding wherein the validity of the incorporation of a district is denied shall be commenced within three months from the date of the Secretary of State's certificate of incorporation; otherwise the incorporation and legal existence of the district and all proceedings in respect thereto shall be held to be valid and in every respect legal and incontestable.