Medium2 marksMultiple Choice
Audit EvidenceInternal AuditISA 610Audit EvidenceSyllabus Area D

ACCA · Question 11 · Audit Evidence

SECTION A - CASE 3: AQUAPURE UTILITIES

AquaPure Utilities is a highly regulated public utility company managing water and waste services. You are auditing the financial statements for the year ended 31 March 20X6.

During the audit, you note the following:

  1. AquaPure has a large internal audit (IA) department that recently completed a review of the procurement controls.
  2. The billing system is highly automated, generating millions of micro-invoices based on smart meter readings.
  3. The company owns a vast network of underground water pipes, which are difficult to physically verify.
  4. You plan to use substantive analytical procedures to audit water revenue.

Question:
Before relying on the work of AquaPure's internal audit department regarding procurement controls, which TWO of the following factors MUST the external auditor evaluate according to ISA 610?

Answer options:

A.

The extent to which the internal audit function's organizational status supports its objectivity.

B.

Whether the internal audit function is outsourced to a Big 4 accounting firm.

C.

The level of competence of the internal audit function.

D.

Whether the internal audit function reports directly to the external auditor.

How to approach this question

Recall the criteria in ISA 610 for relying on internal audit: 1) Objectivity, 2) Competence, 3) Systematic and disciplined approach.

Full Answer

According to ISA 610 Using the Work of Internal Auditors, the external auditor must evaluate three things before relying on IA work: the objectivity of the function (supported by organizational status), the competence of the function, and whether the function applies a systematic and disciplined approach.

Common mistakes

Assuming internal audit must report to the external auditor, or that outsourcing is a strict requirement for reliance.

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