Part — Koch–PreussPart II: The Duty of External WorshipContentsChapter I: SacrificeChapter II: VowsSection 1: Definition of a VowSection 2: Division of VowsSection 3: Object of VowsSection 4: Conditions of ValiditySection 5: The Obligation of VowsSection 6: Cessation of VowsChapter III: SacrilegeChapter IV: SimonyChapter V: OathsSection 1: Definition and Division of OathsSection 2: Lawfulness of OathsSection 3: Conditions of Validity and LicitnessSection 4: Sins Committed in Connection with OathsChapter VI: SuperstitionSection 1: Nature of SuperstitionSection 2: Superstition in the Natural OrderSection 3: Superstition in the Preternatural OrderSection 4: Superstition in the Supernatural Order