Page 17 Article I – 29: Where a matter written on paper has been subject to special legibility or presentation requirements, a written matter in electronic form shall be subject to the same requirements. Article I – 30: The requirement to transmit several copies of a written matter shall be deemed to have been met, where the said written matter can be printed by the addressee. Article I – 31: A written matter in electronic form shall be admissible for the purpose of invoicing, on equal terms as paper based written matter, provided the authenticity of the origin of the data therein and the integrity of the content are guaranteed. Section V: Ensuring the security of electronic transactions Article I – 32: For the purposes of this Convention, 1) “Electronic signature” means data in electronic form attached to or logically subjoined to a data message, and which can be used to identify the data message signatory and indicate consent for the information contained in the said message; 2) Written proof means such proof as has been established in accordance with the provisions of Article I – 26 of this Convention. Article I – 33: An electronic written matter shall be admissible as proof on equal terms as paper based written matter and shall have the same evidentiary weight as the latter, provided the person who is source thereof can be duly identified and that it is prepared and conserved in conditions that guarantee its integrity. Article I – 34: A supplier of goods or provider of services by electronic means demanding execution of an obligation shall prove the existence of such obligation and, where he/she demands AU Draft0 010111