This image is excerpted from a U.S. GAO report:
www.gao.gov/products/GAO-15-591
CREDIT RATING ANALYSTS: Views Varied on Merits of a Professional Organization, but Creating One Now Viewed as Premature
a) Some states require lawyers to be members of the state's bar to practice law in that state. These organizations are commonly referred to as mandatory, unified, or integrated state bars.