Okla. Stat. tit. 61, § 61-85
Prohibited terms in bid specifications for public
improvement projects.
A public agency or a construction manager or other contracting
entity acting on behalf of a public agency shall not place any of
the terms described in Section 3 of the Fair and Open Competition in
Governmental Construction Act in bid specifications, project
agreements, or other controlling documents relating to the
construction, repair, remodeling, or demolition of a public
improvement. Any such included term is void and of no effect.