## Audit of Sole Trader (Sole Proprietorship)

### Legal Position

A sole trader is under no statutory obligation to have accounts audited.
Audits may still be required due to:
Regulatory requirements (specific sectors or government bodies)
Bank/lender requirements for loan approvals or renewals
Tax authority requirements in certain jurisdictions

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### Appointment of Auditor

Appointed by the sole proprietor personally.
The proprietor has full authority to determine:
The scope of the audit
The conditions under which the audit is conducted
In case of a change in auditor: the incoming auditor must communicate with the previous auditor — this is both a professional courtesy and a quality obligation.

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### Best Practice: Written Letter of Appointment

It is strongly advisable that the appointment contract be:

In writing
Clearly defining the scope of work the auditor is expected to perform

This prevents misunderstandings about the nature and extent of audit procedures and protects both parties.

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### Key Audit Considerations

1. No separation of ownership and management — the owner is the operator; professional scepticism about self-dealing is important.

2. Watch for mixing of personal and business transactions.

3. Verify all receipts and payments, especially withdrawals classified as business expenses.

4. Internal controls are typically minimal — the auditor should factor this into their risk assessment.

Worked example

### Example 1

A sole proprietor runs a grocery store and wants an audit for the purpose of obtaining a bank loan. The bank requires audited accounts. The auditor agrees to perform the audit, issues a written engagement letter defining the scope (verification of financial statements, inventory, debtors, and bank balances). This written definition prevents any dispute about what the auditor was engaged to verify.

### Example 2

An incoming auditor replaces a prior auditor for a sole trader's business. The incoming auditor writes to the previous auditor before accepting the engagement to inquire whether there are any professional reasons for not accepting. The outgoing auditor mentions concerns about unverifiable cash sales. The incoming auditor notes these concerns and plans specific procedures to address them.

⚠️ Common exam mistakes

Assuming there are no audit obligations without first checking whether any regulatory or sector-specific requirements apply.
Failing to issue a written engagement letter — proceeding on verbal terms creates scope ambiguity.
Not communicating with the previous auditor before accepting the appointment — a standard professional obligation regardless of entity type.
Underestimating the risk of personal-business transaction mixing, which is endemic in sole proprietorships.

Reference:

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Audit of Sole Trader / Sole Proprietorship

Worked example

⚠️ Common exam mistakes