37-35-2. Firearms, firearm accessories, and ammunition manufactured and retained in state declared exempt from federal regulation. Any firearm, firearm accessory, or ammunition that is manufactured commercially or privately in South Dakota and that remains within the borders of South Dakota is not subject to federal law or federal regulation, including registration, under the authority of Congress to regulate interstate commerce. It is declared by the Legislature that those items have not traveled in interstate commerce. This section applies to any firearm, firearm accessory, and ammunition that is manufactured in South Dakota from basic materials and that can be manufactured without the inclusion of any significant parts imported from another state. Any generic and insignificant part that has other manufacturing or consumer product application is not a firearm, firearm accessory, or ammunition, and importation of such parts into South Dakota and incorporation into a firearm, a firearm accessory, or ammunition manufactured in South Dakota does not subject the firearm, firearm accessory, or ammunition to federal regulation. It is declared by the Legislature that any basic material, such as unmachined steel and unshaped wood, is not a firearm, firearm accessory, or ammunition and is not subject to congressional authority to regulate any firearm, firearm accessory, or ammunition under interstate commerce as if it was actually a firearm, firearm accessory, or ammunition. The authority of Congress to regulate interstate commerce in basic material does not include authority to regulate any firearm, firearm accessory, or ammunition made in South Dakota from such basic material. Any firearm accessory that is imported into South Dakota from another state and that is subject to federal regulation as being in interstate commerce does not subject a firearm to federal regulation under interstate commerce because it is attached to or used in conjunction with a firearm in South Dakota.

Source: SL 2010, ch 198, § 2.