The county board or county board of corrections serving pursuant to Chapter 23, article 28, shall provide proper quarters and adequate equipment for the preparation and serving of all meals furnished to all prisoners confined in the county jail. The county sheriff or the county board of corrections shall have full charge and control of such services and the county board shall provide for all washing, fuel, lights, and clothing for prisoners, subject to the right of the county to be paid by the city or federal government for city or federal prisoners at actual cost to the county. Supplies of every nature entering into the furnishing of meals, washing, fuel, lights, and clothing to the prisoners confined in the county jail shall be purchased and provided under the direction of the county sheriff or the county board of corrections. Payment for all purchases shall only be made by the county board on the original invoices submitted by the sheriff or the county board of corrections of goods, supplies, and services, setting forth (1) that the invoice correctly describes the goods as to quality and quantity, (2) that the same have been received and are in the custody of the affiant, (3) that they have been or will be devoted exclusively to the purposes authorized in this section, and (4) that the price charged is reasonable and just. Nothing in this section shall be construed to restrict the sheriff or the county board of corrections in employing necessary personnel and from otherwise carrying out the duties required in the operation of the jail.