The restoration required by the last section must be made without demand; except where a thing is obtained by mutual mistake, in which case the party obtaining the thing is not bound to return it until he has notice of the mistake.
Okla. Stat. tit. 15, § 242
Demand for thing unlawfully obtained unnecessary - Exceptions
R.L.1910, § 997.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.