S.D. Codified Laws § 22-42-4
Except as authorized by this chapter or chapter 34-20B, no person may manufacture, distribute, or dispense a controlled drug or substance listed in Schedule IV; possess with intent to manufacture, distribute, or dispense a substance listed in Schedule IV; create or distribute a counterfeit substance listed in Schedule IV; or possess with intent to distribute a counterfeit substance listed in Schedule IV. A violation of this section is a Class 6 felony. However, the distribution of a substance listed in Schedule IV to a minor is a Class 4 felony. A first conviction under this section shall be punished by a mandatory sentence in a state correctional facility or county jail of at least thirty days, which sentence may not be suspended. A second or subsequent conviction under this section shall be punished by a mandatory state correctional facility or county jail sentence of at least one year, which sentence may not be suspended. A civil penalty may be imposed, in addition to any criminal penalty, upon a conviction of a violation of this section not to exceed ten thousand dollars. Notwithstanding any other provision of this section, a violation of this section with respect to distribution of Flunitrazepam to a minor is a Class 4 felony, but in all other cases under this section is a Class 5 felony.
SDCL 22-42-4