Ind. Code § 4-33-22-33
Every promoter holding or showing any public boxing, sparring, mixed martial arts, or unarmed combat match or exhibition for viewing in Indiana on a closed circuit telecast, pay per view telecast, or subscription television that is viewed by subscribers who are not present at the venue shall furnish the executive director of the commission a written report, under oath, stating the amount of gross proceeds from the closed circuit telecast, pay per view telecast, or subscription television viewing in Indiana and any other matter as the commission may prescribe. The promoter shall, within seventy-two (72) hours after the determination of the outcome of the match or exhibition, pay a tax of three percent (3%) of the gross receipts from the viewing of the match or exhibition on a closed circuit telecast, pay per view telecast, or subscription television. However, the tax may not exceed fifty thousand dollars ($50,000) for each event. Money derived from the tax shall be placed in the state general fund. The budget agency may augment appropriations from the fund to the Indiana gaming commission to regulate boxing, sparring, unarmed combat, and any other form of mixed martial arts.
IC 4-33-22-33