Obsolete Inventory: Ageing, Evidence and Disposition
Review ageing stock with last demand, commitments, supersession, recoverability, disposition owner and approval instead of declaring items obsolete by age alone.

Obsolete inventory is stock that no longer has a realistic expected use or sale under the current evidence. Age is a warning signal, but the decision also needs demand, commitments, supersession, technical use and recoverability.
An item with no movement for twelve months may be obsolete, a strategic spare or stock for a slow customer order. The ageing report starts the review; it does not make the decision.
Use an evidence-based ageing review
| Item | On hand / committed | Last movement | Current evidence | Decision | Owner |
|---|---|---|---|---|---|
| Legacy label roll | 80 / 0 | 18 months | Artwork retired | Dispose after approval | Packaging |
| Gearbox spare | 1 / 0 | 30 months | Critical installed asset remains | Retain; review annually | Maintenance |
| Old housing rev B | 240 / 0 | 14 months | Rev C superseded B | Rework feasibility review | Engineering |
| Resin grade X | 600 kg / 400 kg | 10 months | Open confirmed order | Retain for order | Planner |
| Fixture plate | 2 / 0 | 22 months | Compatible with active route | Retain at lower minimum | Production |
Separate ageing from obsolescence
Start with quantity, location, last receipt, last issue, open demand and open commitments. Then add replacement status, compatible products, approved substitutes and recovery options. The responsible owner decides whether to retain, transfer, rework, return, sell, downgrade or dispose.
IAS 2 Inventories gives the accounting context for inventory measurement and net realisable value. Apply accounting and tax treatment with the responsible finance adviser.
Run the review in Optiwise
Optiwise brings stock balances, movement history, purchase receipts, production demand and sales commitments into the review. Configurable records can keep the supersession reason, evidence date, proposed disposition, approver and final movement together.
Use the inventory workflow to establish the balance and the production record to confirm continuing demand.
Close the loop after approval
A disposition decision is not complete until the stock movement, value treatment and supporting document are recorded. Keep the approval distinct from the person who physically moves or destroys the item.
Questions from manufacturing teams
Is old inventory automatically obsolete?
No. Age triggers review. Current demand, commitments, asset support, substitutes and recoverability determine the decision.
Who should approve obsolete inventory disposal?
Use your defined financial and operational authority. The review normally needs inventory evidence plus the technical or commercial owner’s input.
Should obsolete stock remain in available inventory?
Once approved for disposition, separate it from usable stock so it cannot satisfy production or sales demand by mistake.
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