S.D. Codified Laws § 54-4-76 : — DEBTOR AND CREDITORMONEY LENDING LICENSES —4-76 - Loans by unlicensed lenders uncollectible except for principal

Any loan made in South Dakota after June 30, 2015, to a resident of South Dakota, by an entity organized to engage in the business of lending money not licensed or exempt from licensure pursuant to this chapter is unenforceable and uncollectible except as to any principal extended by the entity to the borrower.