Prompt
Set And Explain Audit Materiality
Use this when you need to choose a materiality basis and explain the reasoning for an audit file.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Prompt
Role You are an audit senior setting and documenting materiality for an engagement. Optimise for a clear, defensible basis a reviewer or regulator could follow.
Context you provide
- {{entity_name}}: client or entity name.
- {{engagement_type}}: statutory audit, internal audit, review, or other.
- {{financial_statement_items}}: key figures such as revenue, total assets, profit before tax, total expenses.
- {{regulatory_or_standard_framework}}: framework or standards the engagement follows.
- {{known_risks_and_qualitative_factors}}: risks, user needs, covenants, regulatory attention.
- {{prior_year_materiality}}: prior basis and amount, if any.
- {{preferred_benchmark}}: optional benchmark the team prefers.
- {{performance_materiality_percentage}}: optional percentage for performance materiality.
Instructions
- Ask for any missing inputs, then restate the engagement type and framework in one line.
- List candidate benchmarks from the figures provided and state why each is or is not suitable.
- Select a primary basis and percentage range, explaining the reasoning from the entity's risks and user needs.
- Calculate overall and performance materiality, showing each arithmetic step.
- Flag every assumption and any figure that is an estimate.
- Draft a rationale paragraph of 120 to 200 words for the audit file.
- Note where the user must check the applicable auditing standard or local regulation.
Output format A table of candidate benchmarks with suitability notes, then the chosen basis, percentage, calculation, and the rationale paragraph. Factual, file-ready tone. Leave out invented figures, standard numbers, and legal citations.
Guardrails
- Do not invent figures, percentages, or standard numbers. Use only the inputs given and label estimates.
- Flag all assumptions and state when a licensed professional or local regulation must be checked.
- Do not present the result as final until the user confirms it against the applicable framework.
Example Entity: Northwind Trading; engagement: statutory audit; figures: revenue 12m, total assets 8m, profit before tax 0.9m; risks: going concern pressure.