S.D. Codified Laws § 10-47B-115.4

For the purpose of determining the amount of motor fuel tax due, each ethanol broker shall file with the department a monthly report by electronic means on an electronic reporting system furnished by the department. In addition to the information required pursuant to § 10-47B-115.6, the department may require the reporting of any information reasonably necessary to determine the amount of fuel excise tax due.