Sales of tickets for admission to a collegiate athletic event that is held in a facility owned or operated by a municipality or a public trust of which the municipality is the sole beneficiary and that actually determines or is part of a tournament or tournament process for determining a conference tournament championship, a conference championship, or a national championshipare exempt from sales tax. [68 O.S. § 1356(45) ]
Okla. Admin. Code § 710:65-13-332