The organization shall install and maintain in good service a telephonic communication system between the Stewards' stand, racing office, pari-mutuel department, jockey room, paddock, testing barn, starting gate, finish line, video camera locations, and other places as may be required and designated by the Commission. The organization shall also install and maintain in good service a public address communication system for the purpose of announcing the racing program, the running of the races, and any public service notices, as well as maintaining communications with the barn area for the purpose of paddock calls and the paging of horsemen.
Okla. Admin. Code § 325:10-1-24