such cases they shall bear either the endorsement 'delivrée a authority in Pakistan giving , where appropriate , the reasonsposteriori' or the endorsement 'issued retrospectively'. of form or substance for an enquiry . If the invoice has been submitted, such invoice or a copy thereof shall be attached to the certificate or licence or its copy . The authorities shall also Article 16 forward any information that has been obtained suggesting that the particulars given on the said certificate or licence are1. In the event of theft, loss or destruction of an export inaccurate .licence or a certificate of origin , the exporter may apply to thecompetent governmental authority which issued the 3. The provisions of paragraph 1 above shall bedocument for a duplicate to be made out on the basis of the applicable to subsequent verifications of the declarations ofexport documents in his possession . The duplicate of any origin referred to in Article 2 of this Protocol .such certificate or licence so issued shall bear theendorsement 'duplicata'. 4. The results of the subsequent verifications carried out in accordance with paragraphs 1 and 2 above shall be2. The duplicate must bear the date of the original export communicated to the competent authorities of thelicence or certificate of origin . Community within three months at the latest . The information communicated shall indicate whether the disputed certificate or licence or declaration applies to the