Electronic declaration via the PBE Automated System standardises postal export filings and agent responsibilities under the regulations. These regulations define key terms: electronic declaration as filing by exporter or authorised agent on the PBE Automated System; authorised agent as a licensed customs broker or employee with prescribed identity; booking post office as a post office authorised to accept export goods; e-commerce as internet buying and selling with electronic payment; and 'Form' as the appended forms, with other terms adopting meanings from the governing Act.