S.D. Codified Laws § 22-42-3
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 III; possess with intent to manufacture, distribute, or dispense a substance listed in Schedule III; create or distribute a counterfeit substance listed in Schedule III; or possess with intent to distribute a counterfeit substance listed in Schedule III. A violation of this section is a Class 5 felony. However, the distribution of a substance listed in Schedule III to a minor is a Class 3 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. However, a first conviction for distribution to a minor under this section shall be punished by a mandatory sentence in a state correctional facility or county jail of at least ninety days, which sentence may not be suspended. A second or subsequent conviction for distribution to a minor under this section shall be punished by a mandatory sentence in a state correctional facility of at least two years, 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.
SDCL 22-42-3