How to Record Container Detention Revenue When Clients Keep Your Owned Containers Beyond Free Days
Recognizing demurrage income when a client retains company-owned containers beyond the agreed free period.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Accounts Receivable | Asset (+) | 500.00 | - |
| Demurrage Revenue | Revenue (+) | - | 500.00 |
💡 Accountant's Note
If you own the containers, the penalty paid by the client is your revenue — the opposite of the Demurrage Expense entry.
Practitioner & Systems Framework
💻 ERP Architecture
Container owners (shipping lines, leasing companies, or logistics companies with owned container fleets) earn demurrage income when containers are retained by clients beyond the free days specified in the equipment interchange agreement. Track each container's return date vs. the free-day expiry date. Generate automatic demurrage invoices from the container management system when the free period expires. Demurrage revenue is recognized per the daily rate × excess days. Distinguish between demurrage (container at the port terminal — port charges to the shipping line) and detention (container outside the terminal with the shipper/consignee — charged by the shipping line or equipment owner to the client).
⚠️ Audit Flags
Auditors confirm the demurrage rate and free-day allowance match the signed equipment interchange agreement (EIA). Demurrage invoiced above the contractual rate is unenforceable. High demurrage revenue relative to container fleet size may indicate systematic free-day underallocation (commercially aggressive but sustainable) or client disputes. IFRS 15 requires the demurrage to be highly probable of collection before recognition — systematically disputed demurrage should be deferred.
📄 Required Documentation
Equipment interchange agreement (free days, demurrage rate per container type), container return record (confirming the actual return date), demurrage calculation (excess days × daily rate), demurrage invoice, client acceptance or dispute status, Demurrage Revenue ledger, and container utilization 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.