S.D. Codified Laws § 10-47B-32

A wholesale distributor or retail dealer who purchases fuel from a licensed supplier or out-of-state supplier may delay the payment of an amount equal to the tax and the tank inspection fee as defined in § 34A-13-22 required to be paid by the supplier or out-of-state supplier on the fuel removed from a terminal at the rack by the wholesale distributor or retail dealer or their shipper until the twenty-second day of the month in which the tax is due and payable by the supplier. The supplier or out-of-state supplier may not require payment prior to that date.