Okla. Stat. tit. 62, § 62-355: Bidders - Persons forbidden to bid on bonds

No person, firm or corporation, who shall represent the county,

city, town, board of education, school district, or other

subdivision of the State of Oklahoma, in the preparation or handling

of such bond issue, or the proceedings incident thereto, in any

manner, shall be permitted to bid for or become the purchaser of

such bonds upon sale thereof, or be interested in any bid submitted

at the sale of said bonds, and no bidder shall be interested in any

proceedings contract.