The board of supervisors shall then make an order approving the assessment valuation or any modification thereof and shall endorse the order on the assessment roll. The endorsement shall be signed by the chairman of the board of supervisors and attested by the clerk thereof.
Source:
Section 51332.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=WAT§ionNum=51332.1..