Freight Glossary
Detention – Meaning & Examples
A charge for keeping a container outside the port/terminal beyond the free time allowed.
- Related terms
- per diem, container detention, equipment charge
Detention (or Per Diem) is a fee charged when a container is kept outside the port or terminal (at shipper/consignee premises) beyond the allowed free days. It applies after the container leaves the port for delivery until it's returned empty. Detention fees compensate the carrier for the extended use of their container equipment. Combined with demurrage, these charges ensure efficient container circulation.
Detention examples
- A consignee takes 10 days to unload a container with 5 days free time; 5 days detention applies.
How Detention is used in freight operations
Detention appears in quotations, bookings, shipping documents, and tracking updates. Confirm how it applies to your shipment with your carrier, forwarder, or customs representative, because practice can differ by country and contract.
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Frequently asked questions
What is Detention?
A charge for keeping a container outside the port/terminal beyond the free time allowed.
What is an example of Detention?
A consignee takes 10 days to unload a container with 5 days free time; 5 days detention applies.