Paragraph 17 Variation and revocation of registered decisions.
Where a decision which has been registered under paragraph 16 above is varied or revoked by an authority in the Contracting State in which it was made, the person on whose behalf the application for registration of the decision was made shall notify the Grand Court of the variation or revocation.
Where the court is notified under sub-paragraph (1) above of the revocation of a decision, it shall—
cancel the registration, and
notify such persons as may be prescribed by rules of court of the cancellation.
Where the court is notified under sub-paragraph (1) above of the variation of a decision, it shall—
notify such persons as may be prescribed by rules of court of the variation; and
subject to any conditions which may be so prescribed, vary the registration.
The court may also, on the application of any person appearing to the court to have an interest in the matter, cancel or vary the registration if it is satisfied that the decision has been revoked or, as the case may be, varied by an authority in the Contracting State in which it was made.