15 3. A Member State shall deposit an instrument of ratification or accession with the Depositary. 4. The Depositary shall notify Member States of the deposit of the instrument of ratification or accession. Article 25 Reservation No reservations shall be made to this Agreement. Article 26 Registration and Notification 1. The Depositary shall upon the entry into force of this Agreement, register it with the United Nations Secretary General in conformity with Article 102 of the Charter of the United Nations. 2. State Parties shall, where applicable notify this Agreement to the WTO individually or collectively. Article 27 Withdrawal 1. After five (5) years from the date of entry into force in respect of a State Party, a State Party may withdraw from this Agreement by giving written notification to State Parties through the Depositary. 2. Withdrawal shall be effective two (2) years after receipt of notification by the Depositary, or on such later date as may be specified in the notification. 3. Withdrawal shall not affect any pending rights and obligations of the withdrawing State Party prior to the withdrawal. Article 28 Review 1. This Agreement shall be subject to review every five (5) years after its entry into force, by State Parties, to ensure effectiveness, achieve deeper integration, and adapt to evolving regional and international developments.