S.D. Codified Laws § 34-45-4.2
There is hereby imposed a prepaid wireless 911 emergency surcharge of two percent upon the gross receipts of each retail transaction for the purchase of prepaid wireless telecommunications service. The prepaid wireless surcharge shall be collected by the prepaid wireless service seller from the prepaid wireless service consumer during each retail transaction. For purposes of this section, the term, retail transaction, means when the purchase of a prepaid wireless telecommunications service is made in this state or has been determined to be a sale occurring in this state pursuant to § 10-45-108. The amount of the prepaid wireless surcharge shall be separately stated on an invoice, receipt, or other similar document that is provided to the prepaid wireless service consumer by the prepaid wireless service seller. The service consumer is liable to pay the prepaid wireless surcharge imposed by this section. The prepaid wireless service seller is liable to collect and remit all prepaid wireless surcharges imposed by this section. The prepaid wireless service seller is not liable for any prepaid wireless surcharge imposed by this section if the prepaid wireless service seller is unable to collect the surcharge from the service consumer.
If the amount of the prepaid wireless surcharge that is imposed by this section is separately stated on an invoice, receipt, or other similar document provided to the prepaid wireless service consumer, the prepaid wireless surcharge may not be included in the base for measuring any other tax, fee, surcharge, or other charge that is imposed by this state or its political subdivisions. If the prepaid wireless telecommunications service is sold with one or more other products or services for a single, non-itemized price, the prepaid wireless surcharge imposed by this section shall apply to the entire non-itemized price unless the prepaid wireless service seller elects to apply the surcharge to:
However, if the amount of prepaid wireless telecommunications service sold for a single, non-itemized price with one or more other products or services is denominated as ten minutes or less or as five dollars or less, the prepaid wireless service seller may elect not to collect any prepaid wireless surcharge for such retail transaction.
SDCL 34-45-4.2