Date of invoice Payment time reference is date of invoice. Date ex-works Payment time reference is date when goods are leaving the sellers factory. Date of delivery of goods to establishments/domicile/site Date the goods are delivered at agreed place of destination. Date of bill of lading, consignment note or other transport document The date of issuance of a bill of lading, consignment note or similar transport document. Date of presentation of documents Payment time reference is the date when documents are presented.