Okla. Stat. tit. 53, § 53-1.20: Donation receptacles

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.