ACCA Applied Skills · Audit and Assurance
Understanding the entity and its environment and the applicable financial reporting framework: formula sheet
Key formulas
- Areas of understanding (ISA 315 Revised 2019)
- External factors + Nature of entity + Objectives, strategies and business risks + Performance measurement
- Use these four headings to structure any answer. Also remember the applicable financial reporting framework and accounting policies.
- Risk assessment procedures
- Enquiries + Analytical procedures + Observation and inspection
- These procedures alone do not provide sufficient evidence for an opinion. They support risk assessment.
- Business risk to audit risk link
- Business risk → possible risk of material misstatement → audit response
- Always finish by saying what the risk means for the financial statements.
- What the auditor must understand (ISA 315)
- Framework + accounting policies + changes in policies + reasons for changes
- Part of understanding the entity and its environment. Cover how and why policies are chosen and applied.
- Test of an accounting policy
- Appropriate + consistently applied + properly disclosed
- Use this three-part test to judge any policy in an exam answer.
- Test of a policy change
- Required or voluntary? Justified? Applied correctly? Disclosed?
- Voluntary changes carry higher risk. Under IAS 8, a voluntary change is made only if it gives more reliable and relevant information.
- Risk link
- Complex or new framework requirements → higher risk of material misstatement
- Examples: a new IFRS, first-time adoption, or a lack of accounting expertise.
- Five components of internal control (ISA 315)
- Control environment + Risk assessment process + Monitoring + Information system and communication + Control activities
- Learn them as a list. Control environment, risk assessment and monitoring are entity-level. Information system and control activities are process-level.
- Understanding controls
- Understand = Evaluate design + Determine implementation
- Design asks whether the control could prevent or detect a misstatement. Implementation asks whether it exists and is in use. Operating effectiveness is a separate test of controls.
- Control objective link
- Risk → Control → Test
- For each risk, name the control that addresses it, then the test that shows it works.
- Limitations of internal control
- Human error, collusion, management override, cost versus benefit, focus on routine transactions
- Controls give reasonable assurance, never absolute.
- Required risk assessment procedures (ISA 315)
- Inquiries + Analytical procedures + Observation and inspection
- These three are the minimum set. Add the engagement team discussion as a separate requirement.
- Gross profit margin
- Gross profit ÷ Revenue × 100
- Use it to spot unusual changes in margin between years.
- Operating profit margin
- Operating profit ÷ Revenue × 100
- A fall may point to unrecorded costs or overstated revenue.
- Current ratio
- Current assets ÷ Current liabilities
- Useful for going concern and liquidity risk.
- Receivables days
- Trade receivables ÷ Revenue × 365
- A rise may signal recoverability or cut-off risk.
- Payables days
- Trade payables ÷ Cost of sales × 365
- A rise may signal cash pressure or unrecorded liabilities.
- Inventory days
- Inventory ÷ Cost of sales × 365
- A rise may signal obsolete or overvalued inventory.
- Gearing
- Debt ÷ Equity (or Debt ÷ (Debt + Equity))
- State which version you use. Look for covenant and going concern risks.
Quick revision
- ISA 315 (Revised 2019) requires the auditor to understand the entity, its environment, the reporting framework and internal control.
- The purpose is to identify and assess the risks of material misstatement at the financial statement and assertion levels.
- Risk assessment procedures include inquiries, analytical procedures, and observation and inspection.
- Risk of material misstatement is made up of inherent risk and control risk.
- Detection risk is the risk that the auditor's procedures fail to detect a material misstatement.
- Components of internal control: control environment, entity's risk assessment process, process to monitor the system of internal control, information system and communication, and control activities.
- Controls can prevent or detect and correct misstatements; they give reasonable, not absolute, assurance.
- Analytical procedures at the planning stage help identify unusual items, but they are only as good as the data and expectations behind them.
- Always link a scenario fact to a specific risk, then to an audit response.
- Understand how the applicable framework, such as IFRS Accounting Standards, affects areas like estimates, revenue and disclosures.
- Significant risks need special audit consideration and a response designed specifically for them.
- Objective test questions score all or nothing, so read every option carefully.
Common mistakes
- Listing general facts about the industry with no link to the audit. Fix: After each fact, add one line saying which financial statement area is affected and why.
- Saying every business risk is a risk of material misstatement. Fix: Business risks may or may not affect the financial statements. Say that many lead to misstatement risk and name the ones that do.
- Treating the framework as just IFRS and ignoring local GAAP or special purpose frameworks. Fix: Read the scenario for the framework used. Say which it is and whether it suits the users.
- Listing policies without judging whether they are appropriate. Fix: For each policy, state a conclusion: appropriate or not, and why, with reference to the business and the framework.
- Confusing the control environment with control activities. Fix: Ask whether it is a general culture or governance matter (environment) or a specific procedure on transactions (activity). Tone at the top, audit committee and competence belong to the environment.
- Listing the old components or inventing extra ones, such as segregation of duties as its own component. Fix: Learn the five ISA 315 components. Segregation of duties, authorisation and reconciliations are examples of control activities.
- Treating risk assessment procedures as providing enough evidence for the opinion. Fix: Say that they identify risk. Evidence for the opinion comes from further audit procedures responding to the risks.
- Listing ratio changes without explaining the audit risk. Fix: For each change give a reason, the misstatement risk, the assertion and the response.
Exam tips
- In scenario questions, quote the facts given. Examiners reward points that are tied to the scenario.
- Always finish a business risk with its effect on the financial statements. Do not stop at the business point.
- Use the four headings to organise any answer so it reads clearly and you do not miss an area.
- In OT questions on sources, look for the option that gives specific information matched to the area, for example board minutes for strategy.
- Remember performance measures and pressure. They link this topic to fraud risk and going concern.
- Start any answer on this topic by naming the framework. It earns an easy mark and anchors the rest.
- In Section C, tie each policy or change to a specific balance and assertion. Generic comments score poorly.
- In objective test questions, watch for the word voluntary. It usually points to the higher-risk answer.