Founded in 1887, the AICPA represents the CPA profession nationally regarding rule-making and standard-setting, and serves as an advocate before legislative bodies, public interest groups and other professional organizations. The AICPA develops standards for audits of private companies and other services by CPAs; provides educational guidance materials to its members; develops and grades the Uniform CPA Examinations; and monitors and enforces compliance with the profession's technical and ethical standards.
NSA provides national leadership and helps its members achieve success in the profession of accountancy and taxation through the advocacy of practice rights and the promotion of high standards in ethics, educations and professional excellence.
The National Tax is a nonpartisan, nonpolitical educational association that fosters study and discussion of complex and controversial issues in tax theory, practice and policy, and other aspects of public finance. NTA is a 501(c)(3) organization and does not promote any particular tax program or policy.