9.—(1) Sub-paragraphs (2) and (3) have effect in addition to Article 8.
(2) Where a decision is given in a part of the United Kingdom where the creditor is habitually resident, proceedings to modify the decision or to have a new decision given cannot be brought by the debtor in any other part of the United Kingdom as long as the creditor remains habitually resident in the part of the United Kingdom in which the decision was given.
(3) Sub-paragraph (2) does not apply where—
(a)the parties have agreed that the courts of that other part of the United Kingdom are to have jurisdiction in accordance with Article 4 as applied by paragraph 5 of this Schedule, or
(b)the creditor submits to the jurisdiction of the courts of that other part of the United Kingdom pursuant to Article 5 as applied by paragraph 6 of this Schedule.