Demurrage & Detention: Definition and Guide for 2026

The party named on the bill of lading typically bears responsibility, usually the importer or consignee. However, freight forwarders or customs brokers may be liable if delays result from their negligence. Contractual agreements between parties can shift responsibility, but carriers will invoice whoever controls the shipment.

Yes, particularly when delays result from circumstances beyond shipper control—port congestion, carrier equipment shortages, or customs inspections. Documentation proving force majeure events strengthens waiver requests. High-volume shippers often negotiate reduced rates or extended free time in annual contracts.

Standard free time ranges from 3-7 days for demurrage and 5-10 days for detention, varying by carrier, port, and trade lane. Asian routes typically offer longer free time than transatlantic routes. Contract customers frequently negotiate 10-14 days combined free time.

This varies by carrier tariff and jurisdiction. Most U.S. carriers exclude Sundays and recognized holidays from demurrage calculations but include them for detention. European carriers often count all calendar days. Always verify specific carrier policies in your service contract.

Carriers can place holds on future shipments, refuse to release cargo, or initiate legal collection proceedings. Unpaid charges may be reported to credit agencies, affecting business creditworthiness. Disputes should be addressed through formal channels rather than non-payment.

No, rates typically increase with container size. A 40-foot container incurs charges approximately 50-75% higher than a 20-foot container. Specialized equipment like refrigerated containers (reefers) or tank containers command premium demurrage and detention rates due to limited availability.

Most carriers provide online portals showing container status and free time expiration. Third-party logistics platforms offer automated tracking with email alerts. At DocShipper, we monitor these timelines for clients and coordinate pickup scheduling to avoid charges.

Per diem is the daily rate charged for demurrage or detention. It's Latin for "per day" and represents the standard unit for calculating these fees. Per diem rates escalate in tiers—increasing after specific time thresholds to incentivize faster container turnaround.

Yes, through a practice called "street turns" or "container triangulation." Instead of returning empty containers to terminals, carriers redirect them to nearby exporters. This eliminates detention for importers and repositioning costs for carriers, creating mutual savings when coordinated properly.

Essential documentation includes the bill of lading, container release notifications, gate-in/gate-out receipts, customs examination notices, and communication logs with carriers or terminals. Photographic evidence of terminal congestion or equipment unavailability strengthens dispute cases.

Policies vary significantly. Some carriers grant automatic extensions during declared force majeure events, while others maintain standard charges regardless of circumstances. The FMC and European regulatory bodies have issued guidelines requiring reasonable accommodation for systemic delays, but enforcement remains inconsistent across carriers.