S.D. Codified Laws § 23-7-18 (2026)
No pistol shall be sold in violation of any provisions of this chapter, nor shall a pistol be sold under any circumstances unless the purchaser is personally known to the seller or shall present clear evidence of his identity. A violation of this section is a Class 1 misdemeanor.
Source: SDC 1939, §§ 21.0111 (3), 21.9901; SDCL, § 23-7-24 ; SL 1969, ch 89 , § 2; SL 1972, ch 144 , § 3; SL 1978, ch 169 , § 18.