CMA Intermediate · Corporate Accounting and Auditing

Audit Engagement, Audit Program, Audit Documentation and Audit Evidence

This chapter covers how an audit starts and is carried out. You accept the engagement and sign an engagement letter, plan the audit, draw up an audit program, record the work in working papers, and collect sufficient appropriate audit evidence through audit procedures to support your opinion.

What this chapter covers

This chapter follows an audit in the order it happens. It begins with accepting the work and agreeing terms in an engagement letter. It then moves to planning, the audit strategy and the audit program. Next it covers documentation, which is the written record of the work done. Finally it deals with audit evidence: what it is, how much you need, how good it must be, and how you gather it.

The ideas link in a chain. The engagement letter fixes the scope and responsibilities. Planning decides where the risk is. The program turns the plan into specific steps. Working papers prove that the steps were done. Evidence is what those steps produce, and it is the basis for the opinion.

In the rest of the paper, this chapter is the foundation for the auditing topics that follow, such as risk assessment, internal control, vouching, verification and the audit report. If you understand why evidence must be sufficient and appropriate, those later topics become application rather than memory.

This chapter is mostly theory, so it suits written answers and objective questions. Questions often ask you to list the contents of an engagement letter, distinguish audit strategy from audit program, explain the features of working papers, or compare types of audit procedures. Many of these are short, structured answers where a clear layout earns step marks. The chapter also gives you the vocabulary you will reuse in every later auditing answer, so the effort pays back across the paper.

Audit Engagement, Audit Program, Audit Documentation and Audit Evidence: topics in the order to study them

1Audit Engagement and Engagement LetterEvery audit starts here, so learn acceptance, terms and the letter's contents first.
2Audit Planning and Audit StrategyPlanning follows acceptance and sets the direction that the program later turns into steps.
3Audit ProgramIt is the detailed outcome of planning, so read it right after you understand strategy.
4Audit Documentation (Working Papers)Once you know what work is planned, you can see why and how it must be recorded.
5Audit Evidence: Nature, Sufficiency and AppropriatenessThis is the core concept that the earlier steps exist to produce, so learn it before the methods.
6Audit Procedures for Obtaining EvidenceThese are the methods, such as inspection and observation, that actually gather the evidence.
7Specific Evidence Considerations and Management RepresentationsIt covers special cases and written representations, which make sense only after the general evidence ideas.

How to prepare Audit Engagement, Audit Program, Audit Documentation and Audit Evidence

Treat this chapter as one story of an audit from start to opinion. Learn the sequence first, then fill in the lists and distinctions that exams ask for.

Read the topics in the study order and write a one-line summary of each in your own words, so the sequence sticks.
Make a short list for the engagement letter contents and for the features of working papers, and practise writing each from memory.
Build a comparison note for audit strategy versus audit program, and for sufficiency versus appropriateness of evidence.
Group audit procedures by name, such as inspection, observation, inquiry, confirmation, recomputation, reperformance and analytical procedures, and give a one-line example of each.
Practise short written answers using a clear layout: a definition line, then numbered points, each with a brief reason.
Solve past objective questions on this chapter and note why each wrong option is wrong.
Revise the chapter in one sitting using your summary lines, then retest the lists without looking.

Common mistakes in Audit Engagement, Audit Program, Audit Documentation and Audit Evidence

Mixing up audit strategy and audit program
Fix: Remember that strategy is the broad direction, covering scope, timing and approach, while the program is the detailed list of procedures to perform.
Treating sufficiency and appropriateness as the same thing
Fix: Link sufficiency to quantity and appropriateness to quality, meaning relevance and reliability, and state both in every answer on evidence.
Listing audit procedures without explaining them
Fix: Write each procedure with a one-line meaning and a short example, such as confirming a bank balance directly with the bank.
Treating management representations as sufficient evidence
Fix: State that representations are supporting evidence only and that they never replace other audit evidence.
Writing long unstructured paragraphs for working paper questions
Fix: Use a definition, then numbered points covering purpose, contents and ownership, so each point can earn a separate mark.

Last-day revision: Audit Engagement, Audit Program, Audit Documentation and Audit Evidence

The engagement letter records scope, responsibilities, reporting and other agreed terms, and avoids misunderstanding between auditor and client.
Audit strategy sets the overall scope, timing and direction; the audit program lists the detailed procedures.
Planning is a continuing process, and the plan can be updated as the audit progresses.
An audit program is a set of instructions that is reviewed and changed when circumstances change.
Working papers are the auditor's record of work done, evidence obtained and conclusions reached.
Working papers belong to the auditor and should be kept confidential and safe.
Sufficiency is about the quantity of evidence; appropriateness is about its relevance and reliability.
Evidence from external sources and obtained directly by the auditor is generally more reliable.
Procedures include inspection, observation, inquiry, confirmation, recomputation, reperformance and analytical procedures.
Inquiry alone is not enough to support a conclusion; corroborate it with other evidence.
Written management representations support other evidence but cannot replace it.
Original documents are generally more reliable than photocopies.

Audit Engagement, Audit Program, Audit Documentation and Audit Evidence practice questions

Audit Engagement, Audit Program, Audit Documentation and Audit Evidence in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Audit Engagement, Audit Program, Audit Documentation and Audit Evidence: frequently asked questions

Is this chapter more theory or numerical?

It is almost entirely theory. Expect objective questions and short written answers on lists, distinctions and explanations. Clear structure matters more than calculation.

What is the difference between audit evidence being sufficient and appropriate?

Sufficiency measures how much evidence you have. Appropriateness measures its quality, meaning how relevant and reliable it is. You need both to support your conclusion.

Why is an engagement letter needed?

It records the agreed scope, responsibilities and terms between the auditor and the client. This reduces the risk of misunderstanding about what the audit covers.

How should I answer a question on working papers?

Start with a short definition, then give numbered points on purpose, contents, ownership and confidentiality. Add a brief reason with each point to earn step marks.