SDCL § 47-1A-1502: Consequences of transacting business without authority.

A foreign corporation transacting business in this state without a certificate of authority may not maintain a proceeding in any court in this state until it obtains a certificate of authority. The successor to a foreign corporation that transacted business in this state without a certificate of authority and the assignee of a cause of action arising out of that business may not maintain a proceeding based on that cause of action in any court in this state until the foreign corporation or its successor obtains a certificate of authority.