Developed in conjunction with CPA Canada, this guide aims to help professional accountants in practice, especially those operating in small- and medium-sized practices (SMPs), in conducting review engagements in compliance with International Standard on Review Engagements (ISRE) 2400 (Revised), Engagements to Review Historical Financial Statements.
This guidance was written for all organizations, regardless of their size or structure, private or public, to support the accountancy profession’s facilitation of sustainable organizations, financial markets, and economies by providing guiding principles to manage the complexities of performing a robust project and investment appraisal. Greater rigor in the appraisal and decision process can be achieved by using the principles as a benchmark against which to assess an organization’s current practice.
A Guide for Professional Accountancy Organizations
A strong and well-governed professional accountancy organization (PAO) produces and sustains a strong accountancy profession that is able to serve the public interest and contribute to economic stability and growth. A successful PAO gains much of its strength from the sense of identity, benefits, and rights that members derive from membership; and from the contributions that individual members and firms make to the PAO in recognition of its public interest perspective.
This third edition of the guide features enhancements to the two sample manuals, as well as other refinements for clarity and consistency with International Standard on Quality Control (ISQC) 1. The guide contains the requirements set out in ISQC 1 in addition to implementation guidance, including discussion material and an integrated case study that can be used as the basis for education and training.
Three Interconnected Standards. One Stronger Risk-Based Audit.
This special edition of IAASB eNews brings together the resources you need to explore our proposed revisions to ISA 330, ISA 500 and ISA 520 – three interconnected standards at the heart of the risk-based audit.
Explore what is changing, watch the webinar recordings and short videos, and share your feedback before the consultation closes on December 15, 2026.
What's Changing?
When final, the proposals will strengthen foundational aspects of every audit.
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Audit Evidence
Establish a more comprehensive basis for auditor judgments about audit evidence.
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Risk Response
Strengthen the connection between assessed risks and audit responses.
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Professional Judgment
Reinforce professional skepticism and professional judgment throughout the audit.
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Innovation
Support innovation while remaining principles-based rather than technology-specific.
Consultation Snapshot
Proposed revisions to three foundational auditing standards
ISA 330
Auditor Responses to Assessed Risks
ISA 500
Audit Evidence
ISA 520
Analytical Procedures
Comment Deadline
December 15
We encourage all stakeholders to review the proposals and share their feedback.