Article 51Intervention by the Successor of an Obligation and Assumption of Litigation by the Transferee of a Right

The provisions of Articles 47 through 49 apply mutatis mutandis to intervention by a third party that asserts that, while the litigation has been pending, that third party has succeeded to the whole or part of the obligation that is the subject matter of litigation; and the provisions of the preceding Article apply mutatis mutandis if, while litigation is pending, a third party is transferred the whole or part of a right that is the subject matter of litigation.