California Code, Government Code - GOV § 66472

The amending map or certificate of correction certified by the county surveyor, city surveyor, or city engineer shall be filed or recorded in the office of the county recorder in which the original map was filed.  Upon that filing or recordation, the county recorder shall index the names of the fee owners of the real property reflected on the original recorded map, and the appropriate tract designation shown on the amending map or certificate of correction in the general index and map index respectively.  Thereupon, the original map shall be deemed to have been conclusively so corrected, and thereafter shall impart constructive notice of all those corrections in the same manner as though set forth upon the original map.