Article 11 1. The export licfence and the certificate of origin may Importation into the Community of textile products subject comprise additional copies duly indicated as such . They shall to quantitative limits shall be subject to the presentation of an be made out in English or French . If they are completed by import authorization or document . hand , entries must be in ink and in printscript . ---pagebreak--- N ? L 287 / 118 Jornal Oficial das Comunidades Europeias 9 . 10 : 87 These documents shall measure 210x297 mm . The paper export documents in his possession . The duplicate' of any used must be white writing paper , sized , not containing such certificate or licence so issued shall bear the mechanical pulp and weighing not less than 25 g / m2 . Each endorsement 'duplicata'. part shall have a printed guilloche-pattern background making any falsification by mechanical or chemical means 2. The duplicate must bear the date of the original export apparent to the eye . licence or certificate of origin . If the documents have several copies only the top copy which is the original shall be printed with the guilloche pattern background . This copy shall be clearly marked as 'original' TITLE V and the other copies as 'copies'. Only the original shall be clearly marked as 'original' and the other copies as 'copies'. ADMINISTRATIVE COOPERATION Only , the original shall be accepted by the competent authorities in the Community as being valid for the purpose of export to the Community in accordance with the Article 17 arrangements established by the Agreement . 2. Each document shall bear a standardized serial The Community and Czechoslovakia shall cooperate closely