30/07/2019 Republic Act No. 8792 | Official Gazette of the Republic of the Philippines (a) the criteria for assessing integrity shall be whether the information has remained complete and unaltered, apart from the addition of any endorsement and any change which arises in the normal course of communication, storage and display; and (b) the standard of reliability required shall be assessed in the light of the purpose for which the information was generated and in the light of all the relevant circumstances. SECTION 11(11). Authentication of Electronic Data Messages and Electronic Documents. — Until the Supreme Court by appropriate rules shall have so provided, electronic documents, electronic data messages and electronic signatures, shall be authenticated by demonstrating, substantiating and validating a claimed identity of a user, device, or another entity in an information or communication system, among other ways, as follows: (a) The electronic signature shall be authenticated by proof that a letter, character, number or other symbol in electronic form representing the persons named in and attached to or logically associated with an electronic data message, electronic document, or that the appropriate methodology or security procedures, when applicable, were employed or adopted by a person and executed or adopted by such person, with the intention of authenticating or approving an electronic data message or electronic document; (b) The electronic data message or electronic document shall be authenticated by proof that an appropriate security procedure, when applicable was adopted and employed for the purpose of verifying the originator of an electronic data message or electronic document, or detecting error or alteration in the communication, content or storage of an electronic document or electronic data message from a speci c point, which, using algorithm or codes, identifying words or numbers, encryptions, answers back or acknowledgment procedures, or similar security devices. The Supreme Court may adopt such other authentication procedures, including the use of electronic notarization systems as necessary and advisable, as well as the certi cate of authentication on printed or hard copies of the electronic documents or electronic data messages by electronic notaries, service providers and other duly recognized or appointed certi cation authorities. The person seeking to introduce an electronic data message or electronic document in any legal proceeding has the burden of proving its authenticity by evidence capable of supporting a nding that the electronic data message or electronic document is what the person claims it to be. In the absence of evidence to the contrary, the integrity of the information and communication system in which an electronic data message or electronic document is recorded or stored may be established in any legal proceeding — https://www.officialgazette.gov.ph/2000/06/14/republic-act-no-8792-s-2000/ 6/20