Every application under this Part, except for an application under rule 31.18 for a certified copy of a judgment, or under rule 31.20 for rectification of a certificate issued under Articles 41 or 42, must be made to the principal registry.

Nothing in this rule prevents the determination of an issue of recognition as an incidental question by any court in proceedings, in accordance with Article 21(4) of the Council Regulation.

Notwithstanding paragraph (1), where recognition of a judgment is raised as an incidental question in proceedings under the 1996 Hague Convention F1, the Jurisdiction and Recognition of Judgments Regulations F2or the 2014 Regulations the court hearing those proceedings may determine the question of recognition.