Introduction to Regulatory Bodies (AICPA, PCAOB and IAASB)

Regulatory bodies play a crucial role in establishing and enforcing auditing standards, ensuring the quality and integrity of financial reporting. Three prominent regulatory bodies in the auditing profession are the American Institute of Certified Public Accountants (AICPA), the Public Company Accounting Oversight Board (PCAOB), and the International Auditing and Assurance Standards Board (IAASB). Each of these organizations has a unique role and scope of influence in the global auditing landscape.


American Institute of Certified Public Accountants (AICPA)

The AICPA is a professional organization for Certified Public Accountants (CPAs) in the United States. Founded in 1887, the AICPA sets ethical standards and U.S. auditing standards for private companies, nonprofit organizations, and governments at various levels. It also develops and grades the Uniform CPA Examination, which is a prerequisite for becoming a CPA in the United States.


Role and Functions

  • Establishes auditing standards for private companies and non-profit organizations through its Auditing Standards Board (ASB)
  • Provides guidance on accounting, auditing, attestation, and assurance services
  • Offers continuing education and professional development opportunities for CPAs
  • Advocates for the profession at the federal and state levels


Scope of Influence

  • Primarily focuses on the United States, influencing standards and practices for non-public entities
  • Plays a significant role in the education and certification of CPAs in the U.S.


Public Company Accounting Oversight Board (PCAOB)

The PCAOB is a nonprofit corporation established by the U.S. Congress through the Sarbanes-Oxley Act of 2002. The PCAOB oversees the audits of public companies to protect the interests of investors and further the public interest in the preparation of informative, accurate, and independent audit reports. It also oversees the audits of brokers and dealers, including compliance reports filed pursuant to federal securities laws.


Role and Functions

  • Registers public accounting firms that prepare audit reports for public companies
  • Establishes auditing, quality control, ethics, independence, and other standards relating to the preparation of audit reports
  • Conducts inspections of registered public accounting firms to assess compliance with PCAOB standards and relevant laws
  • Enforces compliance with PCAOB rules, professional standards, and securities laws relating to the preparation of audit reports


Scope of Influence

  • Focuses on public companies and their auditors in the United States
  • Aims to enhance the reliability and transparency of financial reporting for public companies


International Auditing and Assurance Standards Board (IAASB)

The IAASB is an independent standard-setting body that serves the public interest by setting high-quality international standards for auditing, assurance, and related services. The IAASB operates under the auspices of the International Federation of Accountants (IFAC), and its standards are adopted by numerous countries around the world.


Role and Functions

  • Develops and issues International Standards on Auditing (ISAs), which provide guidelines for the audit of financial statements
  • Sets standards for quality control, review, other assurance, and related services engagements
  • Promotes the adoption and implementation of these standards to enhance the consistency and quality of audits globally


Scope of Influence

  • Has a global reach, influencing auditing practices and standards in numerous countries
  • Aims to achieve uniformity in auditing practices worldwide, enhancing the comparability and reliability of financial statements across borders


The AICPA, PCAOB, and IAASB are key regulatory bodies that shape the auditing profession by establishing and enforcing standards and guidelines. The AICPA focuses on private entities within the U.S., the PCAOB oversees public companies in the U.S., and the IAASB sets international standards adopted by many countries. Together, these organizations ensure the quality, consistency, and transparency of audits, thereby protecting the interests of investors and the public.

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