Article (26) In assessing the evidential weight of information or document in the form of a data message, regard shall be had to the following: 1. the processes and circumstances under which the data message was generated, stored or communicated. 2. the processes and circumstances under which the integrity of the information or document contained in the data message was maintained. 3. the processes and circumstances under which the originator of the data message was identified. 4. any other relevant process or circumstances. Article (27) A contract formed by the interaction of an automated message system and a natural person, or by the interaction of automated message systems, shall not be denied validity or enforceability on the sole ground that no natural person reviewed or intervened in each of the individual actions carried out by the automated message systems or the resulting contract. Chapter Five Electronic Signature Article (28) An electronic signature shall have evidential weight if the following conditions are met: 1- the signature creation information are identified with the signatory and no other person. 2- the signature creation information were, at the time of signing, under the control of the signatory and of no other person. 3- any alteration to the electronic signature, made after the time of signing, is detectable. 12