(a) the implementation date to be determined under paragraph 4 of the Ministerial Decision on Negotiations on Maritime Transport Services; or,
(b) should the negotiations not succeed, the date of the final report of the Negotiating Group on Maritime Transport Services provided for in that Decision.
2. Paragraph 1 shall not apply to any specific commitment on maritime transport services which is inscribed in a Member's Schedule.
3. From the conclusion of the negotiations referred to in paragraph 1, and before the implementation date, a Member may improve, modify or withdraw all or part of its specific commitments in this sector without offering compensation, notwithstanding the provisions of Article XXI.
