part shall have a printed guilloche-pattern background 1. The competent Community authorities shall issue such making any falsification by mechanical or chemical means import authorization or document automatically within five apparent to the eye . ---pagebreak--- 16 . 10 . 86 Jornal Oficial das Comunidades Europeias N ? L 293 / 173 If the documents have several copies only the top copy which contacts and exchanges of views ( including on technical is the original shall be printed with the guilloche-pattern matters) shall be facilitated by both parties . background . This copy shall be clearly marked as 'original' and the other copies as 'copy'. Only the original shall be accepted by the competent authorities in the Community as Article 18 being valid for the purposes of export to the Community in accordance with the arrangements established by the In order to ensure the proper application of the Agreement , Agreement . the Community and Indonesia shall assist each other in 2. Each document shall bear a standardized serial checking the authenticity and accuracy of export licences and number , whether or not printed , by which it can be certificates of origin issued or declaration made under this Protocol . identified . This number shall be composed of the following elements : Article 19— two letters identifying Indonesia as follows: ID ,— two letters identifying country of destination as Indonesia shall send the Commission of the European follows : Communities the names and addresses of the governmental BL = Benelux , authorities competent for the issue and verification of export