S.D. Codified Laws § 34A-6-109.2 (2026)
Only a scrap metal business with a valid state sales tax license may purchase a detached catalytic converter. A person may not purchase, trade for, or pledge to buy a detached catalytic converter, or offer or advertise to purchase, trade for, or pledge to buy a detached catalytic converter, unless the person follows the requirements under §§ 34A-6-108 to 34A-6-112, inclusive.
Source: SL 2022, ch 139 , § 3.