Article 12 The Executive Head shall assume responsibilities of the chairperson in case of his/her absence. Article 13 All entities and companies operating in the fields of e-transactions and ICT shall submit to ITIDA reports, statistics or information related to ITIDA activities. Article 14 Within the scope of civil, commercial and administrative transactions, e-signatures shall have the same determinative effect that signatures have under the provisions of the Evidence Law in the civil and commercial articles, if the creation and completion thereof come in compliance with the terms stipulated in this Law and the technical and technological rules identified in the Executive Regulations of this law. Article 15 Within the scope of civil, commercial and administrative transactions, e-writing and electronically written messages shall have the same determinative effect that writing, official, and unofficial messages have under the provisions of the Evidence Law in the civil and commercial articles as long as it meets the terms and regulations stipulated in this Law in compliance with the technical and technological rules identified in the Executive Regulations thereof. Article 16 The hardcopy of the electronically written message shall have the same determinative effect on all parties to the extent that this hardcopy is conforming to the original electronically written message, and as long as the official electronically written message and the e-signature are saved on an electronic backup archiving. Article 17 Unless stipulated in this Law or the Executive Regulations thereof, the provisions of the Evidence Law in the civil and commercial articles shall prevail in relation to proving the validity of the official and unofficial electronically written messages, e-signatures and ewritings. Article 18 The e-signatures, e-writing, and electronically written messages shall have the determinative effect for evidence provided their compliance with the following: 9