Revenue and Taxation Code section 2601
(a)
On or before the fourth Monday in September, the auditor shall deliver the secured roll to the tax collector, with an affixed affidavit, subscribed by him, as follows:(b)
If the roll is a machine-prepared roll, and the tax bills are, with the consent of the tax collector and the approval of the board of supervisors, also machine-prepared by the auditor, the auditor shall, on or before the fourth Monday in September, deliver the assessment roll to the assessor, and shall, on or before October 16, deliver the roll on which he has extended taxes to the tax collector, with an affixed affidavit, subscribed by him, as follows:(c)
If the extended roll is retained in electronic data-processing equipment and no physical document is prepared and if the tax bills are, with the consent of the tax collector and the approval of the board of supervisors, machine prepared, the auditor shall, on or before the fourth Monday in September, deliver the assessment roll to the assessor, and shall, on or before October 16, deliver the completed tax bills to the tax collector with an affidavit, subscribed by him, as follows:
Source:
Section 2601, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=RTC§ionNum=2601.
(accessed May 4, 2025).