Inventory Audit Essentials

This cheat sheet outlines key considerations for auditing inventory, including valuation, risks, procedures, and compliance with accounting standards like IAS 2.

Core Principles

Develop an appropriate audit strategy for inventory.
Identify risks in different types of inventory.
Understand ISA 501: Audit evidence for inventory.
Assess compliance with IAS 2 Inventories.
Apply substantive and analytical procedures to inventory.
Consider issues with third-party inventory, long-term contracts, and expert use.
Plan and execute inventory counts effectively.
Understand the impact of business type on inventory risks and audit approach.

Action Steps

Develop an audit strategy tailored to inventory materiality and business nature.
Identify and assess risks associated with various inventory types (raw materials, WIP, finished goods, consignment).
Plan and attend inventory counts, observing procedures and testing existence.
Perform substantive tests of detail, including pricing, valuation, and cut-off.
Utilize analytical procedures to identify unusual fluctuations and trends.
Assess compliance with IAS 2, focusing on lower of cost and net realizable value.
Investigate discrepancies and ensure proper reconciliation of inventory records.
Confirm inventory held by third parties and assess ownership and valuation.

Key Terms

IAS 2 Inventories: International Accounting Standard setting out the accounting treatment for inventories.
ISA 501: International Standard on Auditing addressing specific audit evidence considerations for inventory.
Net Realisable Value (NRV): The estimated selling price in the ordinary course of business less estimated costs of completion and selling expenses.
FIFO: First-In, First-Out: An inventory costing method assuming the first items purchased are the first ones sold.
LIFO: Last-In, First-Out: An inventory costing method assuming the last items purchased are the first ones sold (prohibited under IAS 2).
Substantive Procedures: Audit procedures designed to detect material misstatements at the assertion level.
Analytical Procedures: Evaluations of financial information through plausible relationships among both financial and non-financial data.
Cut-off Tests: Audit procedures to ensure transactions are recorded in the correct accounting period.
Work in Progress (WIP): Inventory that is in the process of production but not yet complete.
Consignment Inventory: Inventory held by one party but owned by another.
Materiality: The significance of information that could influence the economic decisions of users.
Assertions: Representations by management, implicit or explicit, in the financial statements.
Debtor Circularisation: Contacting customers to confirm the existence and accuracy of receivables.
Window Dressing: Practices used to make financial statements appear more favourable than they are.
Deferred Income: Income received before services are delivered or goods are provided; treated as a liability.
IFRS 15: International Financial Reporting Standard for Revenue from Contracts with Customers.

Real World Examples

A manufacturing company has significant work-in-progress inventory.: Auditors must assess the complexity of manufacturing processes, cost allocation, and subjectivity in valuing WIP.
A retail business sells goods on a sale-or-return basis.: Auditors need to understand the risks of accounting for non-owned inventory and potential misstatements of the inventory balance.
A company uses standard costing for its manufacturing operations.: Auditors must evaluate variances, ensure inventory valuation reflects normal production costs, and assess the impact of foreign exchange movements.
A software company has a long-term contract with a client.: Revenue recognition is complex, requiring careful assessment of performance obligations, control transfer, and potential profit elements.