This Agreement comes into force on 15th December 2016 and shall remain in full force until 14th December 2019 DTAC has the unilateral right to extend the period of the Agreement at the time by giving thirty (30) days advance notice to the Supplier prior to the expiry of the Agreement or the prolonged agreement.
4.2 Any Purchase Order issued prior to the expiration of this Agreement or during the term of this Agreement, which has a duration longer than the term of this Agreement shall remain in effect and binding, pursuant to the general terms of this Agreement, among the Parties within the term of such Purchase Order.