As a customs brokerage agent, your job is to prepare documents for the import and export of shipments. This includes ensuring every shipment has the relevant declaration for the country it is going to and meets all the regulations for shipping and handling. As a customs brokerage agent, you also calculate and track taxes and duties, and in many cases, you also process payments for your clients. If there is an issue, you may be called to represent your client during official meetings. You may also apply for tariff reclassifications and refunds when it is appropriate. You often coordinate the transportation and storage of shipments until they reach their next destination as well.