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ICAN Audit, Assurance and Forensics Notes

How audits and assurance engagements are planned, performed and reported, and how fraud is investigated. This course follows the ICAN syllabus in 67 topics. All 67 are published, each with detailed notes, worked examples, exam tips and ICAN-style practice questions.

Topics in ICAN Audit, Assurance and Forensics

Read them in order or jump to the one you need.

Topics in ICAN Audit, Assurance and Forensics, grouped by syllabus section
No.TopicRead
Introduction to assurance, the legal framework and the audit process6 topics20% of marks
1Meaning and objectives of audit, the need for audit and types of auditRead note
2Assurance engagements, levels of assurance and sustainability assuranceRead note
3Statutory audit and the legal framework: CAMA 2020 and the FRC ActRead note
4International standards on auditing, assurance engagements and Nigerian standardsRead note
5Obtaining and accepting a new audit engagementRead note
6Engagement letters: agreeing the terms of an audit engagement (ISA 210)Read note
Professional ethics and public interest7 topics15% of marks
7Fundamental ethical principles and the conceptual frameworkRead note
8Independence, objectivity and integrity of the auditorRead note
9Confidentiality in audit and assurance engagementsRead note
10Conflicts of interest and resolving ethical conflictsRead note
11Non-compliance with laws and regulations (NOCLAR) and whistleblowingRead note
12Public interest and professional scepticism in audit and assuranceRead note
13Rules-based and principles-based ethics, and ethics in governanceRead note
Internal audit4 topics
14Internal audit: concept, role and its place in internal controlRead note
15Internal audit compared with external auditRead note
16Operational and other internal audit assignmentsRead note
17Internal audit reports, regulation, ethics and outsourcingRead note
Planning, risk and special audits7 topics
18Planning an audit (ISA 300)Read note
19Understanding the entity, its environment and its laws (ISA 315 and ISA 250)Read note
20Materiality in planning and performing an audit (ISA 320)Read note
21Audit risk and the auditor\u2019s response to assessed risks (ISA 330)Read note
22Fraud and the auditor (ISA 240)Read note
23Audit of not-for-profit organisationsRead note
24Public sector auditRead note
Gathering audit evidence3 topics25% of marks, with the audit report
25Audit evidence (ISA 500)Read note
26Audit documentation and working papers (ISA 230)Read note
27Audit sampling (ISA 530)Read note
The nature and use of internal control13 topics20% of marks
28Importance, objectives and types of internal controlRead note
29Control environment, the risk assessment process and monitoring of controlsRead note
30Control activities and IT controlsRead note
31Limitations of internal control and recording control systemsRead note
32Evaluating controls and assessing audit riskRead note
33Risks of specialised IT systems and information security measuresRead note
34Tests of controls and the main transaction cyclesRead note
35The sales system: controls and tests of controlsRead note
36The purchases and expenses system: controls and tests of controlsRead note
37The payroll system: controls and tests of controlsRead note
38The bank and cash system: controls and tests of controlsRead note
39The inventory and non-current asset systems: controls and tests of controlsRead note
40Management letters and reporting control deficienciesRead note
Substantive procedures10 topics
41Substantive procedures: role and approachRead note
42Analytical procedures (ISA 520)Read note
43Audit of tangible non-current assetsRead note
44Audit of intangible non-current assetsRead note
45Inventory: valuation and the physical count (ISA 501)Read note
46Trade receivables, prepayments and external confirmations (ISA 505)Read note
47Substantive procedures on bank and cash balancesRead note
48Trade payables, accruals, provisions and contingenciesRead note
49Non-current liabilities, equity and directors\u2019 emolumentsRead note
50Key income statement figuresRead note
Completion and the audit report8 topics
51Written representations (ISA 580)Read note
52Evaluating misstatements (ISA 450) and the overall review of the financial statementsRead note
53Purpose of the auditor\u2019s report and the audit expectation gapRead note
54The unmodified auditor\u2019s report (ISA 700)Read note
55Key audit matters (ISA 701) and reports prescribed by lawRead note
56Audit reporting under CAMA 2020 and the audit committeeRead note
57Going concern (ISA 570)Read note
58Modified opinions, emphasis of matter and other matter paragraphsRead note
Application of technology in audit, assurance and forensics3 topics5% of marks
59Information systems audit: risks, protection and the audit processRead note
60Vulnerability audit, data centre audit, banking transactions and IT audit reportsRead note
61Data analytics, artificial intelligence, blockchain and other audit technologyRead note
Forensic accounting services6 topics15% of marks
62Nature, objectives and types of forensic accounting servicesRead note
63Economic damage through contract and tortRead note
64Computer forensics, fraud investigation and litigation supportRead note
65Hidden assets: how forensic accountants find themRead note
66Professional negligence in forensic investigationsRead note
67The expert report and reporting in forensic engagementsRead note

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About ICAN Audit, Assurance and Forensics Notes

These are the 67 Audit, Assurance and Forensics topics, in teaching order, across 10 syllabus sections. The first note is “Meaning and objectives of audit, the need for audit and types of audit” and the last is “The expert report and reporting in forensic engagements”. Reading them all takes about 12 hours. At an hour a day, that is about 12 days.

What you will learn
  • Explain assurance, the legal framework for audit, and how an audit runs (20% of marks)
  • Apply the ethical rules for accountants, including independence (15% of marks)
  • Describe the role and work of internal audit
  • Plan an audit, assess risk, and explain special audits
  • Gather and evaluate audit evidence (25% of marks, with the audit report)
  • Assess internal controls, including IT controls (20% of marks)
  • Design substantive tests for the main areas of the financial statements
  • Complete the audit and write the audit report
  • Use technology and data in audit and assurance (5% of marks)
  • Investigate fraud and explain forensic accounting services (15% of marks)

Frequently asked Questions about Audit, Assurance and Forensics

What is ICAN Audit, Assurance and Forensics?

How audits and assurance engagements are planned, performed and reported, and how fraud is investigated. It is a Skills level paper.

Are the Audit, Assurance and Forensics notes free?

Yes. All 67 topics are free to read online. You pay only to keep them as PDF and Word, which come in the course pack with the full question bank and marking guides.

Is this the new Audit, Assurance and Forensics paper?

Yes. It replaced Audit and Assurance under the syllabus from November 2025. The notes cover the audit process, ISAs, internal control, forensic accounting and technology in audit.

How many topics are in Audit, Assurance and Forensics?

There are 67 topics in 10 syllabus sections, in teaching order. Each has a summary, worked examples, exam tips and practice questions.

Which section carries the most marks in Audit, Assurance and Forensics?

Gathering audit evidence is the biggest section, at 25% of marks. Start there, but do not skip the rest. Any section can be examined.

Can I practise with past questions?

Yes. Every topic has ICAN-style practice questions with marking guides. Where past ICAN questions exist, a Pathfinder section lists them by diet and year, so you can try the real thing.

What mark do I need to pass Audit, Assurance and Forensics?

ICAN papers are normally passed with 50%. Confirm the current rule on the official ICAN portal, because the Institute can change it.

Are the notes up to date?

They follow the ICAN Skills level syllabus, so they are the same for every diet. Found a mistake? Tap Tell us on any topic and we will check it.

Are these notes from ICAN?

No. Accountants.ng is independent of ICAN. ICAN publishes the official syllabus, study text and past papers, so use our notes alongside them.

How do I study Audit, Assurance and Forensics without getting overwhelmed?

Take one topic at a time. Read it, try the practice questions, then check the marking guide. Move through the sections in order, and give extra time to the sections with more marks.