2005 California Public Utilities Code Sections 103085 Article 3. Contest of Validity of Formation

103085.  No informality in any proceeding or in the conduct of the
election, not substantially affecting adversely the legal rights of
any citizen, shall be held to invalidate the formation of the
district.  Any proceedings wherein the validity of the formation is
denied shall be commenced within 90 days from the date of filing the
order declaring the result of the election with the Secretary of
State.  Otherwise, the formation and the legal existence of the
district shall be held to be valid and incontestable.