【正文】 ual residences shall be the places of dispatch or receipt. If the parties concerned have agreed otherwise on the place of dispatch or the place of receipt of data messages, such agreement shall be plied with. Chapter III Electronic Signature and Certification Article 13 If an electronic signature concurrently meets the following conditions, it shall be deemed as a reliable electronic signature: (1) when the creation data of the electronic signature are used for electronic signature, it exclusively belongs to an electronic signatory。 and (4) other relevant factors. Article 9 Any of the following data messages shall be deemed to be dispatched by the addresser: (1) the data message is dispatched with authorization of the addresser。 (2) the format of the data messages is the same as the format when they are generated, dispatched or received, or although the format is not the same, the contents originally generated, dispatched or received can accurately be expressed。 (2) documents relating to the transfer of the rights and interests residing in such real estate as land and houses。 Electronic Signature Law of the People39。s Republic of China on August 28, 2004) Contents Chapter I General Provisions Chapter II Data Message Chapter III Electronic Signature and Certification Chapter IV Legal Responsibility Chapter V Supplementary Provisions Chapter I General Provisions Article 1 This Law is enacted in order to standardize acts of electronic signature, validate the legal effect of electronic signature, and safeguard the lawful rights and interests of the parties concerned. Article 2 For the purposes of this Law, electronic signature means the data in electronic form contained in and attached to a data message to be used for identifying the identity of the signatory and for showing that the signatory recognizes what is in the message. The data message as mentioned in this Law means the information generated, dispatched, received or stored by electronic, optical, magnetic or similar means. Article 3 The parties concerned may agree to use or not to use electronic signature or data message in such documentations as contracts and other documents, receipts and vouchers in civil activities. The legal effect of a document, with regard to which the parties concerned have agreed to use electronic signature or data message, shall not be denied only because the form of electronic signature or data message is adopted. The provisions of the preceding paragraphs shall not be applicable to the following documents: (1) documents relating to such personal relations as marriage, adoption and succession。 and (2) messages that can unfailingly guarantee that the contents remain plete and unaltered from the time when they are finally generated. And the pleteness of the data messages shall not be affected when endorsements are added to the data messages or when their forms are altered in the process of data interchange, storage and display. Article 6 Data messages that meet the following conditions shall be deemed to satisfy the requirements for document preservation as provided for by laws and regulations: (1) messages that can give effective expression to the contents carried and can readily be picked up for reference。 (3) the reliability of the methods for distinguishing the addressers。 and if no special system is designated, the first time when the data message enters into any systems of the receiver39。 and (4) after the signature is entered, any alteration made to the contents and form of a data message can be detected. The parties concerned may also choose to use the electronic signatures which meet the conditions of reliability they have agreed to. Ar