Indiana Code Title 4. State Offices and Administration § 4-33-22-24

Sec. 24. All buildings or structures used, or in any way to be used for the purpose of holding or giving boxing, sparring, or unarmed combat matches or exhibitions within the buildings or structures, must be properly ventilated and provided with fire exits and fire escapes, if necessary, and in all manner must conform to the laws, ordinances, and regulations pertaining to buildings in the city or town where situated.