The index factor is the annual percentage change in the consumer price index for urban wage earners and clerical workers as computed by the Bureau of Labor Statistics, United States Department of Labor for the year prior to the year immediately preceding the year in which the taxes are payable. The secretary of revenue shall notify the county auditor of the amount of revenue which may be raised with the standard levy pursuant to § 10-13-35 by February first. The county auditor shall notify each taxing district in the county of the amount of revenue to be raised with the standard levy, except school districts, on or before March first.
SDCL 10-13-38