Okla. Stat. tit. 61, § 61-83: Prohibited terms in bid specifications for public

improvement projects.

A public agency awarding any contract for the construction,

repair, remodeling, or demolition of a public improvement or

obligating funds pursuant to such a contract, shall ensure that

neither the awarding public agency nor any construction manager

acting on behalf of the public agency shall, in its bid

specifications, project agreements, or other controlling documents,

include:

1. A term that requires, prohibits, encourages, or discourages

bidders, contractors, or subcontractors from entering into or

adhering to agreements with a collective bargaining organization

relating to the construction project or other related construction

projects; and

2. A term that discriminates against bidders, contractors, or

subcontractors based on the status as a party or nonparty to, or the

willingness or refusal to enter into, an agreement with a collective

bargaining organization relating to the construction project or

other related construction projects.