Code of Civil Procedure Article 524

The court having jurisdiction over the principal case, or the court at the place where the object of the provisional attachment is located, has jurisdiction over the application for provisional attachment. The court having jurisdiction over the principal case shall be the court of first instance in which the action is pending or to be pending. Notwithstanding, where the action is pending in a court of second instance, that court of second instance is deemed to be the court having jurisdiction over the principal case.Where the object of the provisional attachment is a creditor's right, or a proprietary right which must be registered, the place where the object of the provisional attachment is located shall be the place where the debtor domiciles or the object of security therefor is located or registered.