Prepare bills and send them out to clients.
Compiles reports and calculates tariff assessments for services rendered vessels using harbor facilities: Reads register of merchant vessels to verify tonnage, registry, and ship’s owner. Calculates charges and types tariff form for service furnished, such as gallons of water and kilowatts of electricity used during vessel’s stay in harbor. Keeps records of ships entering port and tonnage of cargo unloaded or loaded. Submits reports to accounting and traffic departments for billing purposes.