Facilitating customs planning and clearance including creating in an international customs server, in response to a signal communicated through a client device coupled for data communications through at least one internet connection to the international customs server, a master customs planning record; creating a related customs planning record wherein the related customs planning record is related to the master customs planning record; calculating duty on the goods described in the related customs planning record; storing the amount of the calculated duty in the related customs planning record; incrementing the total amount of duty stored in the duty total field in the master customs planning record; submitting, to the destination country, payment of the duty; creating, in dependence upon the related customs planning record, a customs declaration form for a destination country; and submitting the customs declaration form to a customs declaration forms database for the destination country.