If the action is not commenced within 30 days after approval of the operation and maintenance assessment roll, no action or defense shall thereafter be maintained attacking the legality of the assessment valuations therein.
Cal. Water Code § 51334
Operation and Maintenance Assessments
Added by Stats. 1951, Ch. 336.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.