The charge paid for failing to off-load a vehicle within a stipulated time is called?

The charge paid for failing to off-load a vehicle within a stipulated time is called "demurrage". Demurrage is a fee charged by the carrier of goods or cargo for the delay in unloading or loading the cargo beyond the stipulated time. It is usually calculated on a per-day or per-hour basis and the amount charged varies depending on the terms of the contract. The purpose of demurrage is to compensate the carrier for the extra costs incurred as a result of the delay and to encourage the timely off-loading of cargo.