Semiconductors & Foundry Operations

How to Record Wafer Testing Rework Costs

Accounting for additional labor and overhead incurred when wafer batches fail initial testing and require reprocessing or re-sorting.

Account NameTypeDebit ($)Credit ($)
Work in Process - Rework CostsAsset35,000.00-
Factory Payroll ClearingLiability-20,000.00
Applied Manufacturing OverheadContra-Asset-15,000.00

💡 Accountant's Note

Rework costs that are recoverable are added to Work in Process (WIP), whereas abnormal rework costs should be expensed immediately to COGS.

Practitioner & Systems Framework

💻 ERP Architecture

Track rework via a specific sub-project code or rework-specific work order in the MES/ERP.

⚠️ Audit Flags

High ratio of rework costs to total production costs.

📄 Required Documentation

Rework authorization form, labor time logs, and quality failure analysis report.

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Expert Analysis by Qusai Ahmad

General Accountant Supervisor & IFRS Specialist

Specialized in SAP GUI automation and Middle Eastern tax compliance. Building digital tools for the next generation of finance leaders.

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