Electronic declaration governs submission and processing of imported goods data and authorises specific persons to lodge bills of entry. Regulation 2 defines key terms: authorised person (licensed Custom House Agent or specially authorised importer with Commissioner-issued user identification), bill of entry (the electronic declaration accepted and numbered by the Customs Computer System), electronic declaration (import particulars lodged via service centre or networked data-entry), operator (person authorised to receive cargo declarations for data entry), and service centre (place specified for lodgement and data submission).