AZ HB2813

Authorizes sports betting at pari-mutuel racetrack enclosures, additional wagering facilities, and tribal casinos through the Department of Gaming, with both manual and electronic wagering on closed-loop systems.

Establishes historic racing as a regulated gambling form allowing pari-mutuel pools from previously conducted races at racetrack enclosures and additional wagering facilities.

Creates the racing purse enhancement fund from sports betting revenues, with distributions split between the state general fund and horsemen organizations for racing purses (specific percentages left blank in bill).

Amends tribal-state gaming compacts to establish new standard form agreements with gaming device allocations, card game tables, revenue contribution requirements (1-8% tiered on net gaming revenue), and dispute resolution procedures.

Modifies criminal gambling statutes to exclude regulated sports betting and historic racing from unlawful wagering provisions, and updates business tax classifications accordingly.