If tax-defaulted property has been erroneously redeclared tax defaulted, or if property subject to a power of sale pursuant to Section 3691 has been erroneously redeclared tax defaulted or subject to a power of sale, the erroneous declarations may be canceled on the order of the board of supervisors.
Source:
Section 4839.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=RTC§ionNum=4839.1..