§ 1420
53 words·~1 min read·
/ca/civil-code/1420·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Persons who have heretofore claimed the right to water, and who have not constructed works in which to divert it, and who have not diverted nor applied it to some useful purpose, must, after this Title takes effect, and within twenty days thereafter, proceed as in this Title provided, or their right ceases.