Okla. Admin. Code § 610:1-11-13
Purchases between $5,001 and $25,000 may be made on the basis of an informal bid process. Purchases made on this basis require price solicitations from a minimum of three (3) vendors, with a documentation of emailed solicitations and responses, telephone solicitations or facsimile transmission from the vendors.
Added at 20 Ok Reg 2149, eff 6-26-03
Amended at 23 Ok Reg 3038, eff 7-13-06
Amended at 39 Ok Reg 2109, eff 9-11-22