Okla. Stat. tit. 13, § 13-13: Concealing rate schedules - Penalty

Any agent of any railroad, express, telegraph, or telephone

company who shall fail or refuse to show the schedule of rates of

said company to any person or persons interested therein, and allow

him or them to examine the same, shall be deemed guilty of a

misdemeanor, and upon conviction thereof, shall be fined in any sum

not less than One Hundred Dollars ($100.00) nor more than Five

Hundred Dollars ($500.00).