O.C.G.A. § 20-2-1011

The State Board of Education may provide for the selection, acquisition, or purchase of instructional materials and content either by multiple listings or uniform adoption or by any other method that will enable the acquiring of acceptable instructional materials and content at the lowest possible costs, provided such adoption or multiple listings shall in no event constitute a binding contract until ratified in writing by the state board. None of the instructional materials and content so purchased shall contain anything of a partisan or sectarian nature.