Where the Court of First Instance finds that it does not have jurisdiction to hear and determine an action in respect of which the Court of Justice has jurisdiction, it shall refer that action to the Court of Justice; likewise, where the Court of Justice finds that an action falls within the jurisdiction of the Court of First Instance, it shall refer that action to the Court of First In stance, whereupon that Court may not decline jurisdiction.
Má chinneann an Chúirt Chéadchéime nach bhfuil dlinse aici caingean a éisteacht agus a chinneadh a bhfuil dlinse ag an gCúirt Bhreithiúnais ina leith, déanfaidh si an chaingean sin a tharchur chun na Cúirte Breithiúnais: mar an gcéanna, má chinneann an Chúirt Bhreithiúnais go mbaineann caingean le dlinse na Cúirte Céadchéime, déanfaidh si an chaingean sin a tharchur chun na Cúirte Céadchéime, agus ni fhéadfaidh sise ansin dlinse a dhiúltú.