Irreconcilable decisions
Article 50
The recognition and enforcement of a decision referred to in Article 42(1) shall be refused if and to the extent that it is irreconcilable with a later decision relating to parental responsibility concerning the same child which was given: (a) in the Member State in which recognition is invoked; or (b) in another Member State or in the non-Member State of the habitual residence of the child provided that the later decision fulfils the conditions necessary for its recognition in the Member State in which the recognition is invoked.