Okla. Stat. tit. 74, § 152.12

A. Any agent of the Oklahoma State Bureau of Investigation, any agent of the Federal Bureau of Investigation, any commissioned officer of the Department of Public Safety, and each sheriff in this state may enter the business premises of a dealer, broker or peddler during normal business hours to inspect the premises and the records of the dealer, broker or peddler to determine whether the dealer, broker or peddler is in compliance with the requirements provided in Section 6 of this act. B. A dealer, broker or peddler must allow and shall not interfere with inspections conducted pursuant to this section. C. Each inspection conducted under this section shall be commenced and completed with reasonable promptness and shall be conducted in a reasonable manner.