Every person who shall declare that he has conscientious scruples against taking an oath or swearing in any form shall be permitted to make his solemn declaration or affirmation in the following form: "You do solemnly declare and affirm", etc., concluding with the words "under the pains and penalties of perjury".
Mo. Rev. Stat. § 492.030
Parties may affirm, when
Effective: 28 Aug 1939; (RSMo 1939 § 1881); Prior revisions: 1929 § 1717; 1919 § 5404; 1909 § 6348
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.