Audit and Assurance · The Independent Auditor's Report

Material Misstatement vs Inability to Obtain Evidence in the Audit Report

Updated 11 October 2026 · Fact-checked

A material misstatement means the financial statements are wrong (a disagreement). Inability to obtain evidence means the auditor cannot check something (a limitation on scope). If the effect is material but not pervasive, give a qualified 'except for' opinion. If it is material and pervasive, give an adverse opinion (misstatement) or a disclaimer (limitation).

Understand Material Misstatement vs Inability to Obtain Evidence

An auditor gives an unmodified opinion when the financial statements are free from material misstatement. ISA 705 deals with what happens when that is not true. You need to ask two questions, in order.

Question 1: what is the nature of the problem? Either the auditor has concluded the financial statements are materially misstated, or the auditor could not obtain sufficient appropriate evidence to conclude they are free from material misstatement. The first is a disagreement. The second is a limitation on scope. Do not mix them up. In a misstatement, you have evidence and it shows an error. In a limitation, you lack evidence, so you do not know.

Question 2: how pervasive is the effect? A matter is material if it could influence the decisions of users. It is pervasive if the effects are not confined to specific elements, accounts or items, or if they are confined but represent a substantial proportion of the financial statements, or if they relate to disclosures fundamental to users' understanding. Pervasive effects are widespread. Material but not pervasive effects are contained.

Put the two answers together and you get the opinion. Material and not pervasive gives a qualified opinion ('except for' for a misstatement, 'except for the possible effects' for a limitation). Material and pervasive gives an adverse opinion for a misstatement, and a disclaimer of opinion for a limitation.

The logic of the disclaimer is worth knowing. If the auditor cannot get evidence and the possible effects could be both material and pervasive, the auditor cannot form any opinion at all. That is why a disclaimer says 'we do not express an opinion'. An adverse opinion says the opposite: the statements do not give a true and fair view.

A modified opinion also needs a Basis for Qualified / Adverse Opinion / Disclaimer paragraph. It sits directly after the opinion paragraph and explains the reason and, where practicable, quantifies the effect.

Key rules to remember

Opinion matrix: material misstatement: Material, not pervasive → Qualified (except for). Material and pervasive → Adverse.; Use when the financial statements are wrong and the auditor has the evidence to show it.
Opinion matrix: inability to obtain evidence: Possible effects material, not pervasive → Qualified (except for possible effects). Material and pervasive → Disclaimer of opinion.; Use when the auditor could not obtain sufficient appropriate evidence.
Opinion heading wording: Qualified Opinion | Adverse Opinion | Disclaimer of Opinion; The heading changes. The unmodified heading is simply 'Opinion'.
Basis paragraph heading: Basis for Qualified Opinion | Basis for Adverse Opinion | Basis for Disclaimer of Opinion; Place it immediately after the opinion paragraph. Describe the matter and quantify the effect if practicable.
Qualified opinion wording (misstatement): In our opinion, except for the effects of the matter described in the Basis for Qualified Opinion section, the financial statements give a true and fair view...; Use 'except for the effects of'. For a limitation use 'except for the possible effects of'.
Adverse opinion wording: In our opinion, because of the significance of the matter described in the Basis for Adverse Opinion section, the financial statements do not give a true and fair view...; Used for a material and pervasive misstatement.
Disclaimer wording: We do not express an opinion on the financial statements... because of the significance of the matter described in the Basis for Disclaimer of Opinion section, we have not been able to obtain sufficient appropriate audit evidence to provide a basis for an audit opinion.; Used for a limitation that is material and pervasive.

How to solve Material Misstatement vs Inability to Obtain Evidence questions

Use the same method for any scenario asking for the type of opinion or the wording of the report.

1Identify the issue and decide its nature. Is the financial statement figure or disclosure wrong (disagreement), or could the auditor not get evidence (limitation)?
2Check whether the auditor could do alternative procedures. If alternatives give sufficient appropriate evidence, there is no limitation.
3Assess materiality. Compare the amount with the materiality level given or with profit, revenue or total assets. If it is not material, the opinion is unmodified.
4Assess pervasiveness. Does it affect many areas, a substantial proportion of the statements, or a fundamental disclosure? Say why in one sentence.
5Choose the opinion from the matrix: qualified, adverse or disclaimer.
6Write the opinion section wording with the correct heading and 'except for' or 'do not express' language.
7Write the Basis paragraph: describe the matter, quantify the effect on the statements (if practicable), and for a limitation state what evidence was not available.
8Check that no other paragraph conflicts with your conclusion, and note any other modification, such as going concern or key audit matters, if the question requires it.

Quickest way: Two-question grid

When to use it: Use for Section A and OT case questions that ask which opinion applies, and to plan a Section C answer quickly.

Ask: wrong or unknown? Wrong means misstatement. Unknown means limitation.
Ask: contained or widespread? Contained means material only. Widespread means pervasive.
Read off the grid: wrong + contained = qualified; wrong + widespread = adverse; unknown + contained = qualified; unknown + widespread = disclaimer.
Look at the options for the exact wording clue: 'except for' (qualified), 'do not give a true and fair view' (adverse), 'do not express an opinion' (disclaimer).
If the amount is below materiality, stop: the opinion is unmodified.

Common mistakes in Material Misstatement vs Inability to Obtain Evidence

Giving a disclaimer when the auditor simply disagrees with management.
Students link 'serious' with 'disclaimer' without checking whether it is a misstatement or a lack of evidence.
Fix: A disclaimer only follows a limitation. A serious disagreement that is pervasive gives an adverse opinion.
Treating any limitation as a qualified or disclaimer without checking for alternative procedures.
Students stop when they read 'could not attend the inventory count'.
Fix: State whether alternative procedures (for example, later counts or sales after the year end) could give sufficient evidence. Only if they cannot is there a limitation.
Confusing material with pervasive.
Both words suggest 'big', so students use them interchangeably.
Fix: Material decides whether to modify. Pervasive decides how severely. A large but contained error (for example, one receivable balance) is material but not pervasive.
Using 'except for' wording in an adverse opinion or disclaimer, or omitting 'possible' for a limitation.
Students remember the qualified wording and apply it to every modification.
Fix: Learn three different phrases. A limitation qualified opinion says 'except for the possible effects'.
Writing the Basis paragraph without quantifying the effect.
Students describe the problem but forget the numbers given in the scenario.
Fix: Use the figures given. State the amount of the overstatement or understatement and its effect on profit and net assets. If it cannot be quantified, say so.
Forgetting the Basis paragraph or placing it before the opinion.
In the unmodified report the basis paragraph follows the opinion, but students rush the layout.
Fix: The order is: Opinion, then Basis for the modified opinion. Always title them correctly.

Worked examples

Example 1

You are auditing Kora Co, whose profit before tax is $4 million and total assets are $30 million. Materiality is set at $200,000. Inventory of $2.5 million is included in the statements, but management refuses to write down obsolete items with a cost of $450,000 that have no resale value. All other balances are fairly stated. State the type of opinion and write the opinion paragraph's key wording and the basis paragraph.

Show the solution

Nature: the financial statements are misstated because inventory is overstated. This is a disagreement, not a limitation.
Materiality: $450,000 exceeds the $200,000 materiality level, so the misstatement is material. As a percentage, it is 11.25% of profit before tax ($450,000 ÷ $4,000,000).
Pervasiveness: the error affects one balance (inventory) and the related profit figure. The misstatement is 1.5% of total assets ($450,000 ÷ $30,000,000) and 11.25% of profit before tax. All other balances are fairly stated. The error is confined to one account and is not a substantial proportion of the financial statements as a whole, and it does not relate to a disclosure fundamental to users' understanding. So it is not pervasive.
Conclusion: material but not pervasive misstatement gives a qualified opinion, 'except for'.
Opinion wording: 'Qualified Opinion... In our opinion, except for the effects of the matter described in the Basis for Qualified Opinion section, the financial statements give a true and fair view...'.
Basis wording: 'Inventory is carried at $2.5 million, including obsolete items costing $450,000 that have no resale value. Management has not written these items down. IAS 2 requires inventory to be measured at the lower of cost and net realisable value. Accordingly, inventory and profit before tax are overstated by $450,000 and net assets are overstated by $450,000 (before any tax effect).'

Answer: Qualified opinion (except for), because the misstatement is material ($450,000 against materiality of $200,000) but not pervasive (it is confined to one account, inventory, and is only 1.5% of total assets and 11.25% of profit before tax, so it is not a substantial proportion of the financial statements). The basis paragraph must describe the issue under IAS 2 and quantify the $450,000 overstatement.

Exam tips

Start every written answer by naming the nature (misstatement or limitation) and then the pervasiveness. Markers award marks for each judgement, so show both.
Quote figures from the scenario and compare them to materiality or to profit and assets. A conclusion with no calculation loses easy marks.
In a Section A or OT case question, watch for options that mix the wrong nature with the right severity, such as 'adverse opinion' for a lack of evidence. Cross them out first.
When asked to write a paragraph, use the exact headings and the standard phrases. Short, correct wording scores better than long explanation.
If the scenario says management imposed the limitation and the auditor cannot get round it, the auditor should consider the implications. Mention discussing with those charged with governance and, in serious cases, withdrawing where possible.

Material Misstatement vs Inability to Obtain Evidence in other exams

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

Material Misstatement vs Inability to Obtain Evidence: frequently asked questions

What is the difference between a limitation on scope and a material misstatement?

A material misstatement is a disagreement: the financial statements are wrong and the auditor has the evidence to show it. A limitation on scope means the auditor could not obtain sufficient appropriate evidence, so the auditor does not know whether the statements are right. Pervasiveness decides how severe the modification is. Once the matter is pervasive, the nature decides the type: adverse for a misstatement, disclaimer for a limitation.

When is an opinion qualified and when is it adverse or a disclaimer?

If the matter is material but not pervasive, the opinion is qualified with 'except for'. If it is material and pervasive, a misstatement gives an adverse opinion and a limitation gives a disclaimer of opinion.

What makes a matter pervasive?

ISA 705 says effects are pervasive if they are not confined to specific elements, accounts or items, or if they are confined but represent a substantial proportion of the financial statements, or if they relate to disclosures that are fundamental to users' understanding. Judge it from the scenario facts.

How do I write the Basis for Qualified Opinion paragraph?

Place it straight after the opinion paragraph. Describe the matter, say which accounting requirement was breached or which evidence was unavailable, and quantify the effect on the financial statements where practicable. Keep it factual and specific.