SDCL § 60-8-4: Agreement denying free exercise of right to work as misdemeanor.

Any agreement relating to employment, whether in writing or oral, which by its stated terms, or by implication, interpretation, or effect thereof, directly or indirectly denies, abridges, interferes with, or in any manner curtails the free exercise of the right to work by any citizen of the state of South Dakota, is a Class 2 misdemeanor.