For those unfamiliar with the term, demurrage is the charge imposed by rail carriers for the detention of rail cars when they are held for loading or unloading beyond a specified amount of time. (It also applies to delaying ships. Motor carriers term such delay as detention). While it is long established that demurrage can be assessed against shippers and consignees, the ability of rail carriers to impose demurrage on intermediaries, such as warehousemen, pier operators and transloaders, has not always been clear …