S.D. Codified Laws § 13-11-7
The county auditor shall transfer, by the twentieth day of the month, all money received during the prior month on behalf of each school district to each district. Any county failing to distribute the receipts within the time prescribed is subject to an interest charge of one percent per month based on the receipts for the first thirty days of delinquency or part thereof and thereafter, one percent per month for each month or part thereof. When any funds which have been collected by the county for the district from taxes or from any other source are remitted to the district, the county auditor shall send to the school district business manager a statement showing the exact source and amount of the funds. The statement shall be made in a form and contain information prescribed by the secretary of the Department of Education.
SDCL 13-11-7