Authorised courier and electronic declaration define streamlined customs processing for time sensitive international consignments under customs regulations. These regulations define terms for courier imports and exports and electronic processing: Authorised Courier (registered door-to-door carrier of time-sensitive consignments at a customs airport), electronic declaration (lodgement in the Customs Computer System via service centre or Authorised Courier systems), service centre (place specified for data entry), classifications for documents, gifts, samples, the low value dutiable consignment category, e-commerce transactions as internet sales with specified card payments, and GSTIN recognition; undefined terms adopt meanings from the Customs Act.