AAPA: Policymakers in 44 States and DC Continue to Improve PA Scope-of-Practice Laws in First Half of 2014; Momentum Grows as More States Modernize PA Practice Laws Offering Patients Greater Access to Quality Healthcare (Market Watch August 3, 2014)44 states and the District of Columbia have recently amended PA practice laws by adopting one or more or the 6 Key Elements of a Modern PA Practice Act Visit http://www.aapa.org for more information.The Rhode Island PA practice was the very first in the nation to incorporate all 6 Key Elements. read more..