2009 California Water Code - Section 43850 :: Article 3. Limitations

43850.  Notwithstanding any other provision of this division, no
action, proceeding, or contest shall be brought or maintained before
any court or other tribunal unless the action, proceeding, or contest
is brought within the times specified in the following subdivisions,
or any lesser time that may be specified in this division:
   (a) Attacking the organization of any district, within six months
of the date of the organization thereof.
   (b) Attacking the inclusion of land within or the exclusion of
land from any district, within six months of the date of the
inclusion or exclusion.
   (c) Attacking any assessment of any district, within 60 days of
the date upon which the assessment roll is filed with the county
treasurer or treasurers.
   (d) Attacking the validity of any bonds issued by any district,
within 60 days of the date of adoption of the resolution providing
for the issuance of such bonds.