US lawNorth DakotaConstitutionArticle I6N.D. Const. art. I, § 6ND Const., Article I, Section 6Length: 18 wordsOfficial source Neither slavery nor involuntary servitude, unless for the punishment of crime, shall ever be tolerated in this state.PreviousN.D. Const. art. I, § 5NextN.D. Const. art. I, § 7