Okla. Stat. tit. 57 § 533
The Director of the Department of Corrections shall develop and promulgate a policy that will centralize, at the Department of Corrections, the procurement of all items of food supplies, other than fresh food local buys, for all institutions within the Department of Corrections. The Department shall manage all agricultural and livestock services so the maximum quantity and quality of fruit, vegetables, herbs, grasses, seeds, meat, poultry, eggs and dairy products are produced for institutional consumption with inmate or volunteer labor, which may include, but shall not be limited to, any type of work release labor, community or intermediate sanctions labor, jail labor or otherwise. Any excess food or product produced shall be sold at competitive prices to the public or private markets or sold or traded with other states or political subdivisions or state and local agencies for goods and services beneficial to the Department, this state, its political subdivisions, jails or any state or local agency of this state. The agricultural services division of the Oklahoma State University shall provide services to the Department for improved land utilization and product and livestock enhancements at least annually. The Department shall develop a detailed plan to implement the provisions of this section and shall submit the plan to the Legislature by January 15 of each year.
Okla. Stat. tit. 57, § 533