SEC PROB
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Page 2 GAO-04-216 Public Accounting Firms
created the Public Company Accounting Oversight Board (PCAOB). The
PCAOB has the responsibility to register and inspect public accounting
firms that audit public companies, and the authority to investigate and
discipline registered public accounting firms and to set auditing and related
attestation, quality control, and auditor ethics and independence standards
in connection with audits of public companies.
Senate report 107-205 that accompanied the Sarbanes-Oxley Act stated that
in considering reforms to enhance auditor independence, some witnesses
believed that mandatory audit firm rotation3 of public accounting firms was
necessary to maintain the objectivity of audits, while other witnesses
believed that public accounting firm rotation could be disruptive to the
public company and the costs of mandatory audit firm rotation might
outweigh the benefits. The Congress decided that mandatory audit firm
rotation needed further study and required in Section 207 of the Sarbanes-
Oxley Act that GAO study the issues. Specifically, we were asked to study
the potential effects of requiring mandatory rotation of registered public
accounting firms.4 To conduct our study, we did the following:
Identified and reviewed research studies and other documents that
addressed issues concerning auditor independence and audit quality
associated with the length of a public accounting firm's tenure and the
costs and benefits of mandatory audit firm rotation.
Analyzed the issues we identified to (1) develop detailed questionnaires
to obtain the views of public accounting firms and public company chief
financial officers and their audit committee chairs of the issues
associated with mandatory audit firm rotation, (2) hold discussions with
officials of other interested stakeholders, such as institutional investors,
federal banking regulators, U.S. stock exchanges, state boards of
accountancy, the American Institute of Certified Public Accountants
3 Mandatory rotation is defined in the Sarbanes-Oxley Act as the imposition of a limit on the
period of years in which a particular public accounting firm registered with the PCAOB may
be the auditor of record for a particular public company. For purposes of this report, the
auditor of record is the public accounting firm issuing an audit opinion of the public
company's financial statements...