If it is permitted, the trader (either the producer, the exporter, or in some cases, the importer) only needs to fill out the information relating to the consignment on a prescribed form (if any), and declare that the goods listed therein fulfill origin criteria and other requirements.
If allowed, the merchant (either the manufacturer, the exporter, or in some instances, the importer) only needs to complete the details concerning the consignment on a predetermined form (if any), and confirm that the goods listed there meet origin standards and other demands.