Whenever an oath is required by this Code, the affirmation of a person, conscientiously scrupulous of taking an oath shall have the same effect.
Okla. Stat. tit. 12, § 72
Affirmation
R.L. 1910, § 5340.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.