 In addition, regulatory consulting firms also provide advisory services on regulatory compliance that were traditionally provided exclusively by law firms.In the United States, the practice of law is conditioned upon admission to practice of law, and specifically admission to the bar of a particular state or other territorial jurisdiction.The American Bar Association and the American Law Institute are among the organizations that are concerned with the interests of lawyers as a profession and the promulgation of uniform standards of professionalism and ethics, but regulation of the practice of law is left to the individual states, and their definitions vary.