No products, wares, or merchandise produced, manufactured, or mined, wholly or in part, by convicts or prisoners of this state, who are employed in the state prison industries program, may be offered for sale, sold, exchanged, or distributed in this state, whether contained in the original package or otherwise. This section shall not prohibit the sale or distribution of such products, wares, or merchandise by or for the state to departments, institutions, or agencies administered and supported by the state or its political subdivisions, and any other wholly or partially tax-supported institutions, or nonprofit charitable agencies for distribution to the needy. This section shall not prohibit the sale or distribution of such products, wares, or merchandise produced by Oklahoma Correctional Industries or products produced by the Agri-Services Division of the Department of Corrections by or for sale to employees or retirees of the State of Oklahoma, or to employees or retirees of any political subdivision of the state. This section shall not prohibit the sale or distribution of housing components produced by Oklahoma Correctional Industries by or for sale to any community action agency or council of governments within this state. This section shall not prohibit the sale of brick and building tile or furniture manufactured by said state institutions to churches which are located in the State of Oklahoma. All purchase orders made pursuant to the provisions of this section for such brick or building tile or furniture shall contain an affidavit stating that the brick or building tile shall not be used for purposes other than for the building of churches, or that the furniture shall not be used for any purpose other than church purposes. If said state departments, institutions, agencies, or nonprofit charitable agencies do not buy or contract to buy in advance of the season for which said wares or goods are made, and make a satisfactory guarantee to the Office of Management and Enterprise Services for fulfillment of their contract to purchase all the output, the state may then sell in open market any such goods or wares not generally manufactured in this state. The provisions of this section shall not apply to the sale or distribution of surplus perishable, agricultural products nor to individual articles made by hand by prisoners during their leisure time. This section shall not be construed as preventing the Office of Management and Enterprise Services or other state agency or agencies from manufacturing and selling such goods, wares, or merchandise as are not generally manufactured in this state.