How is AFR transmitted to Japan Customs?
The Advance Filing Rules on Maritime Container Cargo Information oblige the filers to electronically file cargo information through the Nippon Automated Cargo and Port Consolidated System (NACCS).
The Nippon Automated Cargo and Port Consolidated System (NACCS) is a system for online processing of procedures taken with Japan Customs and other relevant administrative authorities or relevant private-sector services for arriving/ departing ships and aircrafts or import/export cargo. It is operated by NACCS Center. The Advance Filing Rules on Maritime Container Cargo Information require that cargo information be filed electronically through NACCS.
(website: http://www.naccs.jp/e/index.html)