Products originating in the ACP States shall, on importation into the Community benefit from ANNEX V upon submission of either: ...
(b) in the cases specified in Article 19(1), a declaration, the text of which appears in Annex V to this Protocol, given by the exporter on an invoice, a delivery note or any other commercial document which describes the products concerned in sufficient detail to enable them to be identified (hereinafter referred to as the "invoice declaration").