Okla. Stat. tit. 74E § 2.8
Public meeting rooms, auditoriums, parks, colleges and other educational campuses or similar spaces may be used for political purposes provided (1) if a fee is customarily charged for use of the facility, that fee will be charged for use of the facility for political activities and (2) the facility will be made available upon request to all political parties, to all political action committees, to all candidates for the same state office or to all supporters or opponents of a state question, respectively, all in the order in which the requests were received. Nothing herein shall require that any public facility be made available for political purposes. Nothing herein shall prohibit the use for political purposes of a traditional public forum or other forum required by the United States Constitution or Oklahoma Constitution to be used for such purposes.
Okla. Stat. tit. 74E, § 2.8