AU Section 150 - Generally Accepted Auditing Standards (2024)

The following auditing standard has been rescinded effective as of December 31, 2016 pursuant to SEC Release No. 34-75935, File No. PCAOB-2015-01 (September 17, 2015). SeePCAOB Release No. 2015-002.

  • (.01)
  • (.02 - .04) Auditing Standards
  • (.05 - .06) Interpretive Publications
  • (.07 - .08) Other Auditing Publications
  • (.09) Effective Date
(Supersedes SAS No. 1, section 150)
Source: SAS No. 95; SAS No. 98.
Effective for audits of financial statements for periods beginning on or after December 15, 2001, unless otherwise indicated.

.01

An independent auditor plans, conducts, and reports the results of an audit in accordance with generally accepted auditing standards (GAAS). Auditing standards provide a measure of audit quality and the objectives to be achieved in an audit. Auditing procedures differ from auditing standards. Auditing procedures are acts that the auditor performs during the course of an audit to comply with auditing standards.

Auditing Standards

.02

The general, field work, and reporting standards (the 10 standards) approved and adopted by the membership of the AICPA, as amended by the AICPA Auditing Standards Board (ASB), are as follows:

General Standards

  1. The audit is to be performed by a person or persons having adequate technical training and proficiency as an auditor.
  2. In all matters relating to the assignment, an independence in mental attitude is to be maintained by the auditor or auditors.
  3. Due professional care is to be exercised in the performance of the audit and the preparation of the report.

Standards of Field Work

  1. The work is to be adequately planned and assistants, if any, are to be properly supervised.
  2. A sufficient understanding of internal control is to be obtained to plan the audit and to determine the nature, timing, and extent of tests to be performed.

[The following paragraph is effective for audits of fiscal years beginning on or after December 15, 2010. See PCAOB Release No. 2010-004. For audits of fiscal years beginning before December 15, 2010, click here.]

  1. Sufficient appropriate evidential matter is to be obtained through inspection, observation, inquiries, and confirmations to afford a reasonable basis for an opinion regarding the financial statements under audit.

Standards of Reporting

  1. The report shall state whether the financial statements are presented in accordance with generally accepted accounting principles (GAAP).
  2. The report shall identify those circ*mstances in which such principles have not been consistently observed in the current period in relation to the preceding period.
  3. Informative disclosures in the financial statements are to be regarded as reasonably adequate unless otherwise stated in the report.
  4. The report shall contain either an expression of opinion regarding the financial statements, taken as a whole, or an assertion to the effect that an opinion cannot be expressed. When an overall opinion cannot be expressed, the reasons therefor should be stated. In all cases where an auditor’s name is associated with financial statements, the report should contain a clear-cut indication of the character of the auditor’s work, if any, and the degree of responsibility the auditor is taking.

.03

Rule 202, Compliance With Standards, of the AICPA Code of Professional Conduct [ET section 202.01], requires an AICPA member who performs an audit (the auditor) to comply with standards promulgated by the ASB. fn1 The ASB develops and issues standards in the form of Statements on Auditing Standards (SASs) through a due process that includes deliberation in meetings open to the public, public exposure of proposed SASs, and a formal vote. The SASs are codified within the framework of the 10 standards.

.04

The auditor should have sufficient knowledge of the SASs to identify those that are applicable to his or her audit. The nature of the 10 standards and the SASs requires the auditor to exercise professional judgment in applying them. Materiality and audit risk also underlie the application of the 10 standards and the SASs, particularly those related to field work and reporting. [fn2] The auditor should be prepared to justify departures from the SASs.

Interpretive Publications

.05

Interpretive publications consist of auditing Interpretations of the SASs, appendixes to the SASs, fn3 auditing guidance included in AICPA Audit and Accounting Guides, and AICPA auditing Statements of Position. fn4 Interpretive publications are not auditing standards. Interpretive publications are recommendations on the application of the SASs in specific circ*mstances, including engagements for entities in specialized industries. An interpretive publication is issued under the authority of the ASB after all ASB members have been provided an opportunity to consider and comment on whether the proposed interpretive publication is consistent with the SASs. [As amended, effective September 2002, by Statement on Auditing Standards No. 98.]

.06

The auditor should be aware of and consider interpretive publications applicable to his or her audit. If the auditor does not apply the auditing guidance included in an applicable interpretive publication, the auditor should be prepared to explain how he or she complied with the SAS provisions addressed by such auditing guidance.

Other Auditing Publications

.07

Other auditing publications include AICPA auditing publications not referred to above; auditing articles in the Journal of Accountancy and other professional journals; auditing articles in the AICPA CPA Letter; continuing professional education programs and other instruction materials, textbooks, guide books, audit programs, and checklists; and other auditing publications from state CPA societies, other organizations, and individuals. fn5 Other auditing publications have no authoritative status; however, they may help the auditor understand and apply the SASs.

.08

If an auditor applies the auditing guidance included in an other auditing publication, he or she should be satisfied that, in his or her judgment, it is both relevant to the circ*mstances of the audit, and appropriate. In determining whether an other auditing publication is appropriate, the auditor may wish to consider the degree to which the publication is recognized as being helpful in understanding and applying the SASs and the degree to which the issuer or author is recognized as an authority in auditing matters. Other auditing publications published by the AICPA that have been reviewed by the AICPA Audit and Attest Standards staff are presumed to be appropriate. fn6

Effective Date

.09

This section is effective for audits of financial statements for periods beginning on or after December 15, 2001.

Footnotes (AU Section 150 — Generally Accepted Auditing Standards):

fn1 In certain engagements, the auditor also may be subject to other auditing requirements, such as Government Auditing Standards issued by the comptroller general of the United States, or rules and regulations promulgated by the U.S. Securities and Exchange Commission.

[fn2] [Footnote deleted, effective for audits of fiscal years beginning on or after December 15, 2010. See PCAOB Release No. 2010-004. For audits of fiscal years beginning before December 15, 2010, click here.]

fn3 Appendixes to SASs referred to in paragraph .05 of this section do not include previously issued appendixes to original pronouncements that when adopted modified other SASs. [Footnote added, effective September 2002, by Statement on Auditing Standards No. 98.]

fn4 Auditing Interpretations of the SASs are included in the codified version of the SASs and are cross-referenced from the related AU sections in Appendix C. AICPA Audit and Accounting Guides and auditing Statements of Position are listed in Appendix D. [Footnote renumbered by the issuance of Statement on Auditing Standards No. 98, September 2002.]

fn5 The auditor is not expected to be aware of the full body of other auditing publications. [Footnote renumbered by the issuance of Statement on Auditing Standards No. 98, September 2002.]

fn6 Other auditing publications published by the AICPA that have been reviewed by the AICPA Audit and Attest Standards staff are listed in AU Appendix F. [Footnote renumbered by the issuance of Statement on Auditing Standards No. 98, September 2002.]

AU Section 150 - Generally Accepted Auditing Standards (2024)

FAQs

What are generally accepted auditing standards? ›

Generally accepted auditing standards (GAAS) are a set of systematic guidelines used by auditors when conducting audits of companies' financial records. GAAS helps to ensure the accuracy, consistency, and verifiability of auditors' actions and reports.

What is sufficient appropriate audit evidence? ›

Appropriateness is the measure of the quality of audit evidence, i.e., its relevance and reliability. To be appropriate, audit evidence must be both relevant and reliable in providing support for the conclusions on which the auditor's opinion is based.

Are referred to as US generally accepted auditing standards (GAAS)? ›

The American Institute of Certified Public Accountants (AICPA) establishes the standards for all audits that are performed in the United States. These standards are promulgated through the AICPA's Statements on Auditing Standards or SAS's; and are referred to as generally accepted auditing standards or GAAS.

What is the minimum standard that audit documentation must meet? ›

Audit documentation should be prepared in sufficient detail to provide a clear understanding of its purpose, source, and the conclusions reached. Also, the documentation should be appropriately organized to provide a clear link to the significant findings or issues.

What is the difference between GAAP and generally accepted auditing standards? ›

The differences between GAAS and GAAP are clear. GAAS is for auditors and crafted by the American Institute of Certified Public Accountants (AICPA). It guides auditors on how to ensure financial audits are accurate. On the other hand, GAAP is created by the Financial Accounting Standards Board (FASB).

What is the summary of GAAS? ›

Generally Accepted Auditing Standards (GAAS) are a set of principles and requirements that provide the basis for how an auditor prepares for, performs, and reports the results of audits.

How do you obtain sufficient audit evidence? ›

Auditors design detailed audit procedures to obtain sufficient appropriate audit evidence. Procedures can include inspection, observation, confirmation, recalculation, reperformance, and analytical procedures, often in some combination. specific types of audit procedures.

How do you justify the sufficiency and appropriateness of audit evidence? ›

Sufficient appropriate audit evidence must be obtained to provide a reasonable basis to support the conclusion(s) expressed in an assurance engagement report. the determination of the relevance and reliability of audit evidence.

What if audit evidence is not sufficient? ›

If the auditor is unable to obtain sufficient appropriate audit evidence, the auditor shall express a qualified opinion or disclaim an opinion on the financial statements.

Who sets GAAS standards? ›

02 The general, field work, and reporting standards (the 10 standards) approved and adopted by the membership of the AICPA, as amended by the AICPA Auditing Standards Board (ASB), are as follows: General Standards 1. The auditor must have adequate technical training and proficiency to perform the audit.

Do private companies use GAAS? ›

When an audit is required for a private company, the audit will be conducted under GAAS (generally accepted auditing standards) as promulgated by the AICPA governing body.

What is the difference between GAAS and PCAOB? ›

And if they were, the audit probably adhered to Generally Accepted Auditing Standards (GAAS), which are not accepted by the SEC. The differences between PCAOB and GAAS audits mainly lie in the auditor independence standards, level of regulatory scrutiny, and scope of details that the auditor opinion must address.

What are the three generally accepted auditing standards? ›

General standards

Proficiency: The auditor must have sufficient training to perform the review. Independence: The auditor must be external and independent of the company that is being audited. Due care: The auditor is responsible for exercising due professional care throughout the auditing and reporting process.

Which of the following does sufficient audit documentation include? ›

An auditor should prepare audit documentation sufficient to enable an experienced auditor having no previous connection with the audit to understand. Nature, timing and extent of audit procedures: Identifying characteristics of specific items and matters tested. Who performed the audit and the date of completion.

Which are the most important standards on auditing? ›

International Standards on Auditing List
Standard NumberTitle
ISA 300Planning an Audit of Financial Statements
ISA 315Identifying and Assessing the Risks of Material Misstatement through Understanding the Entity and Its Environment
ISA 320Materiality in Planning and Performing an Audit
34 more rows
May 2, 2024

What are the generally accepted government auditing standards? ›

In short, GAGAS are the standards that ensure that audit reports are unbiased and can be trusted to be truthful and accurate. It means that OIG audits conform to audit standards accepted by governments around the country.

Which of the following best describes generally accepted auditing standards? ›

Answer and Explanation: The correct answer is b. Measures of the quality of the auditor's performance. The auditing standards are applied to ensure that the audit performed is of good quality and reliable.

What are the GAAP standards? ›

GAAP consists of a common set of accounting rules, requirements, and practices issued by the Financial Accounting Standards Board (FASB) and the Governmental Accounting Standards Board (GASB). GAAP sets out to standardize the classifications, assumptions and procedures used in accounting in industries across the US.

What are the generally accepted auditing standards independence? ›

To be independent, the auditor must be intellectually honest; to be recognized as independent, he must be free from any obligation to or interest in the client, its management, or its owners.

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