(b) the time for requesting panel or committee review under Article 1904 shall be tolled.
12. If either Party suspends the operation of Article 1904 pursuant to paragraph 8(a), the panel or committee review stayed under paragraph 11(a) shall be terminated and the challenge to the final determination shall be irrevocably referred to the appropriate domestic court for decision, as provided below:
(a) with respect to review of any final determination of the complaining Party requested by the Party complained against, at the request of either Party, or of a party to the panel review under Article 1904; or
(b) with respect to review of any final determination of the Party complained against requested by the complaining Party, at the request of the complaining Party, or of a party of the complaining Party that is a party to the panel review under Article 1904.
If either Party suspends the operation of Article 1904 pursuant to paragraph 8(a), any time period tolled under Paragraph 11(b) of this Article shall resume.
If such suspension does not become effective, panel or committee review stayed under paragraph 11(a), and any time period tolled under paragraph 8(b), shall resume.
Article 1906: Prospective Application
The provisions of this Chapter shall apply only prospectively to:
(a) final determinations of a competent investigating authority made after the date of entry into force of this Agreement; and
(b) with respect to declaratory opinions under Article 1903, amendments to antidumping or countervailing duty statutes enacted after the date of entry into force of this Agreement.