independent supervision, grounds justifying application, and limitation of the scope and the duration of such power or procedure. 3 To the extent that it is consistent with the public interest, in particular the sound administration of justice, each Party shall consider the impact of the powers and procedures in this section upon the rights, responsibilities and legitimate interests of third parties. Title 2 – Expedited preservation of stored computer data Article 16 – Expedited preservation of stored computer data 1 Each Party shall adopt such legislative and other measures as may be necessary to enable its competent authorities to order or similarly obtain the expeditious preservation of specified computer data, including traffic data, that has been stored by means of a computer system, in particular where there are grounds to believe that the computer data is particularly vulnerable to loss or modification. 2 Where a Party gives effect to paragraph 1 above by means of an order to a person to preserve specified stored computer data in the person’s possession or control, the Party shall adopt such legislative and other measures as may be necessary to oblige that person to preserve and maintain the integrity of that computer data for a period of time as long as necessary, up to a maximum of ninety days, to enable the competent authorities to seek its disclosure. A Party may provide for such an order to be subsequently renewed. 3 Each Party shall adopt such legislative and other measures as may be necessary to oblige the custodian or other person who is to preserve the computer data to keep confidential the undertaking of such procedures for the period of time provided for by its domestic law. 4 The powers and procedures referred to in this article shall be subject to Articles 14 and 15. Article 17 – traffic data 1 Expedited preservation and partial disclosure of Each Party shall adopt, in respect of traffic data that is to be preserved under Article 16, such legislative and other measures as may be necessary to: a ensure that such expeditious preservation of traffic data is available regardless of whether one or more service providers were involved in the transmission of that communication; and b ensure the expeditious disclosure to the Party’s competent authority, or a person designated by that authority, of a sufficient amount of 43