 The NJSACB had begun to allow Mixed Martial Arts (MMA) promoters to conduct events in the state upon review of the promoter's rules and regulations in September 2000.The NJSACB's observation of these first few sanctioned events led to the establishment of their own official set of rules and regulations, the "Unified Rules of Mixed Martial Arts", in April 2001.The NJSACB's unified rules would become the de facto set of rules for professional MMA in North America as more and more U.S. states used them to sanction the sport.