How does IAS 41 require biological assets to be measured, and what happens when fair value cannot be reliably determined?

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AcadiFi · Accepted Answer

IAS 41 introduces a unique measurement framework for biological assets — living animals or plants managed in agricultural activity. Here is how it works. **Core Rule — Fair Value Less Costs to Sell** At each reporting date, biological assets are measured at **fair value less costs to sell**. Changes in fair value are recognized in **profit or loss**, not OCI. This applies from initial recognition through harvest. **Worked Example — Greyfield Timber Corp:** Greyfield manages 2,000 hectares of pine plantation. At year-end, independent valuers estimate the standing timber at $14.8 million, up from $12.5 million at the prior year-end. Costs to sell are estimated at $0.3 million. | Item | Amount | |---|---| | Prior-year carrying value | $12,500,000 | | Current fair value | $14,800,000 | | Less: costs to sell | ($300,000) | | Carrying value at year-end | $14,500,000 | | **Fair value gain in P&L** | **$2,000,000** | **The Reliability Exception** IAS 41 presumes fair value can be measured reliably. However, if — and only if — quoted market prices are unavailable AND alternative fair value estimates are clearly unreliable, the asset is measured at **cost less accumulated depreciation and impairment**. This exception is available only at initial recognition and, once fair value becomes measurable, the entity must switch permanently. \`\`\`mermaid flowchart TD A["Biological Asset Recognized"] --> B{"Fair Value
Reliably Measurable?"} B -->|"Yes"| C["Measure at FV Less
Costs to Sell"] C --> D["Gain/Loss in P&L"] B -->|"No (rare)"| E["Cost Model
(Cost − Dep − Impairment)"] E --> F{"FV Becomes
Available Later?"} F -->|"Yes"| C F -->|"No"| E \`\`\` **Key Exam Takeaways:** 1. Fair value gains on biological assets hit **profit or loss** — this increases earnings volatility. 2. Agricultural produce at the point of harvest is measured at fair value less costs to sell; after harvest, IAS 2 (Inventories) applies. 3. Bearer plants (e.g., grapevines, rubber trees) are scoped OUT of IAS 41 and follow IAS 16 (PP&E). 4. The cost exception is narrow and rarely tested, but know it exists. Explore our CFA Level II course for more on IFRS specialized standards.

How does IAS 41 require biological assets to be measured, and what happens when fair value cannot be reliably determined?

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