Artikel 13 bis

1. Any Party may propose amendments to the present Protocol.
2. Proposed amendments shall be submitted in writing to the Executive Secretary of the Commission, who shall communicate them to all Parties. The Parties shall discuss the proposed amendments at the next session of the Executive Body, provided that those proposals have been circulated by the Executive Secretary to the Parties at least ninety days in advance.
3. Amendments to the present Protocol other than to annexes I and III shall be adopted by consensus of the Parties present at a session of the Executive Body, and shall enter into force for the Parties which have accepted them on the ninetieth day after the date on which two thirds of those that were Parties at the time of their adoption have deposited with the Depositary their instruments of acceptance thereof.
Amendments shall enter into force for any other Party on the ninetieth day after the date on which that Party has deposited its instrument of acceptance thereof.
4. Amendments to annexes I and III to the present Protocol shall be adopted by consensus of the Parties present at a session of the Executive Body. On the expiry of one hundred and eighty days from the date of its communication to all Parties by the Executive Secretary of the Commission, an amendment to any such annex shall become effective for those Parties which have not submitted to the Depositary a notification in accordance with the provisions of paragraph 5, provided that at least sixteen Parties have not submitted such a notification.
5. Any Party that is unable to approve an amendment to annexes I and/or III, shall so notify the Depositary in writing within ninety days from the date of the communication of its adoption. The Depositary shall without delay notify all Parties of any such notification received. A Party may at any time substitute an acceptance for its previous notification and, upon deposit of an instrument of acceptance with the Depositary, the amendment to such an annex shall become effective for that Party.
6. For those Parties having accepted it, the procedure set out in paragraph 7supersedes the procedure set out in paragraph 3 in respect of amendments to annexes IV to XI.
7. Amendments to annexes IV to XI shall be adopted by consensus of the Parties present at a session of the Executive Body. On the expiry of one year from the date of its communication to all Parties by the Executive Secretary of the Commission, an amendment to any such annex shall become effective for those Parties which have not submitted to the Depositary a notification in accordance with the provisions of subparagraph (a):
a) Any Party that is unable to approve an amendment to annexes IV to XI shall so notify the Depositary in writing within one year from the date of the communication of its adoption. The Depositary shall without delay notify all Parties of any such notification received. A Party may at any time substitute an acceptance for its previous notification and, upon deposit of an instrument of acceptance with the Depositary, the amendment to such an annex shall become effective for that Party;
b) Any amendment to annexes IV to XI shall not enter into force if an aggregate number of sixteen or more Parties have either: (i) Submitted a notification in accordance with the provisions of subparagraph (a); or
(ii) Not accepted the procedure set out in this paragraph and not yet deposited an instrument of acceptance in accordance with the provisions of paragraph 3.
(i) Submitted a notification in accordance with the provisions of subparagraph (a); or
(ii) Not accepted the procedure set out in this paragraph and not yet deposited an instrument of acceptance in accordance with the provisions of paragraph 3.