The epoch for a survey using CCS83 coordinate shall be the published NGS or CSRC epoch of a published coordinate for a controlling station used for that survey. Such surveys performed after December 31, 1999, shall be based on the “1991.35” epoch or a subsequent published NGS or CSRC epoch.
Cal. Pub. Res. Code § 8815.2
California Coordinate System
Showing this section's text as in effect on January 1, 2011 (in force January 1, 2011 – January 1, 2023). View current text →
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.