S.D. Codified Laws § 49-28A-10
No person may store any hazardous materials or class 1.1, 1.2, 1.3, 1.4, or 1.5 explosives, as outlined under 49 CFR 172, as amended through January 1, 2006, in any storage facility unless the storage facility has placards warning of the storage of hazardous or explosive materials. The placards at a storage facility shall be in plain sight, shall be so located that a bullet passing through any of the placards will not strike the storage facility, and may not be more than one hundred feet apart. The owner of any storage facility storing hazardous or explosive material shall maintain shipping records on such hazardous or explosive materials on the premises and shall provide the shipping records to any law enforcement agency or fire department upon demand. A violation of this section is a Class 1 misdemeanor. For the purposes of this section, a storage facility is any enclosed structure where materials are kept or warehoused.
The provisions of this section do not apply to a retail business establishment licensed under the provisions of chapter 10-45, residential property, a storage shed on residential property or any farm building, but only to warehouse facilities whose structure is separated from retail establishments.
SDCL 49-28A-10