Each Oklahoma museum or historical site supported by state funds shall provide a donation receptacle at the museum or historical site operated under the authority of the State of Oklahoma. The donation receptacles shall be for the purpose of the collection of voluntary donations of monies made by visitors to the museums and historical sites. Any monies collected in any such donation receptacle shall be deposited in an account or the revolving fund established for that specific museum or historical site for the purposes of funding renovations of the museum or historical site, acquisitions of artifacts, and other expenditures necessary for the operation, maintenance and expansion of the museum or historical site.
Okla. Stat. tit. 53, § 1.20