CAS 705: Modifications to the Opinion in the Independent Auditor's Report
Requirements when the auditor concludes that a modification of the opinion is necessary (qualified, adverse, or disclaimer).
Why CAS 705 matters
Modified opinions are filing-day emergencies. Surfacing modifying issues months ahead avoids them.
Framework: Canadian Auditing Standards (CAS)
CAS are the auditing standards adopted by the Auditing and Assurance Standards Board (AASB) of CPA Canada. They are Canadian adoptions of the IAASB's International Standards on Auditing (ISAs) and govern every audit of financial statements performed in Canada.
Primary source: FRAS Canada
Frequently asked
What is CAS 705?
Requirements when the auditor concludes that a modification of the opinion is necessary (qualified, adverse, or disclaimer).
Why does CAS 705 matter for an audit?
Modified opinions are filing-day emergencies. Surfacing modifying issues months ahead avoids them.
Which framework does CAS 705 belong to?
CAS 705 falls under Canadian Auditing Standards (CAS). CAS are the auditing standards adopted by the Auditing and Assurance Standards Board (AASB) of CPA Canada. They are Canadian adoptions of the IAASB's International Standards on Auditing (ISAs) and govern every audit of financial statements performed in Canada.
Related standards — Canadian Auditing Standards (CAS)
- CAS 200 — Overall Objectives of the Independent Auditor
- CAS 210 — Agreeing the Terms of Audit Engagements
- CAS 220 — Quality Management for an Audit of Financial Statements
- CAS 230 — Audit Documentation
- CAS 240 — The Auditor's Responsibilities Relating to Fraud
- CAS 250 — Consideration of Laws and Regulations
See how Auditus checks CAS 705
Auditus.ai runs PCAOB, ISA, and CAS engagements end-to-end and cites the exact standard behind every finding — including CAS 705.