SDCL § 22-11-31: Harassment by threat of fraudulent legal proceedings or liens prohibited--Misdemeanor--Subsequent violation felony.

Any person who harasses any other person by sending or delivering, or causing to be sent or delivered, any letter, paper, document, notice of intent to bring suit, or other notice or demand that simulates any form of court or legal process and that threatens the other person, directly or indirectly, with incarceration, monetary fines, or penalties, or with the imposition of a counterfeit lien on the real or personal property of the other person is guilty of a Class 1 misdemeanor. A second or subsequent conviction for a violation of this section is a Class 6 felony. Lack of belief in the jurisdiction or authority of the state or of the United States is no defense to a prosecution under this section.