S.D. Codified Laws § 22-14-5 (2026)
Any person who possesses any firearm on which the manufacturer's serial number has been changed, altered, removed, or obliterated is guilty of a Class 6 felony. The provisions of this section do not apply to persons who have applied for a new serial number pursuant to § 23-7-43.
Source: SDC 1939, § 21.0114; SDCL, § 23-7-21 ; SL 1976, ch 158 , § 14-4 ; SL 1985, ch 190 , § 2; SL 2005, ch 120 , § 243.