person for, or to the solution of, or to the prevention of, any such crimes; and (3) that there are no other means readily available for obtaining such evidence. Section 13. Preservation of Computer Data. — The integrity of traffic data and subscriber information relating to communication services provided by a service provider shall be preserved for a minimum period of six (6) months from the date of the transaction. Content data shall be similarly preserved for six (6) months from the date of receipt of the order from law enforcement authorities requiring its preservation. Law enforcement authorities may order a one-time extension for another six (6) months: Provided, That once computer data preserved, transmitted or stored by a service provider is used as evidence in a case, the mere furnishing to such service provider of the transmittal document to the Office of the Prosecutor shall be deemed a notification to preserve the computer data until the termination of the case. The service provider ordered to preserve computer data shall keep confidential the order and its compliance. Section 14. Disclosure of Computer Data. — Law enforcement authorities, upon securing a court warrant, shall issue an order requiring any person or service provider to disclose or submit subscriber’s information, traffic data or relevant data in his/its possession or control within seventy-two (72) hours from receipt of the order in relation to a valid complaint officially docketed and assigned for investigation and the disclosure is necessary and relevant for the purpose of investigation. Section 15. Search, Seizure and Examination of Computer Data. — Where a search and seizure warrant is properly issued, the law enforcement authorities shall likewise have the following powers and duties. Within the time period specified in the warrant, to conduct interception, as defined in this Act, and: (a) To secure a computer system or a computer data storage medium; (b) To make and retain a copy of those computer data secured; (c) To maintain the integrity of the relevant stored computer data; (d) To conduct forensic analysis or examination of the computer data storage medium; and (e) To render inaccessible or remove those computer data in the accessed computer or computer and communications network. Pursuant thereof, the law enforcement authorities may order any person who has knowledge about the functioning of the computer system and the measures to protect and preserve the computer data therein to provide, as is reasonable, the necessary information, to enable the undertaking of the search, seizure and examination. Law enforcement authorities may request for an extension of time to complete the examination of the computer data storage medium and to make a return thereon but in no case for a period longer than thirty (30) days from date of approval by the court.