Boxing and martial arts.

Changed the commission's authority from 'may' adopt rules to 'shall' adopt rules, making regulation mandatory rather than optional.

Added bare-knuckle fighting to the list of regulated combat sports activities.

Added new subsections (b) and (c) to incorporate unified rules by reference and establish that the chapter prevails in case of conflicts.

Reorganized the bill structure to include proper section numbering and subsections.

Added official enrolled act formatting including signatures from the Speaker of the House, President of the Senate, President Pro Tempore, and Governor, indicating the bill has passed all legislative stages.

Removed introductory draft language and committee referral information that was present in the introduced version but not needed in the final enrolled bill.

Added a new definition section (IC 4-33-22-8.5) defining 'unified rules' as the most recent version of rules adopted by the Association of Boxing Commissions and Combative Sports.

Modified the scope of regulated activities to explicitly include bare-knuckle fighting and sparring alongside existing regulated activities like mixed martial arts and boxing.