Artikel 25

1. In relation to a Contracting State in which two or more systems of law apply in different territorial units with regard to any matter dealt with in this Convention –
a) any reference to the law or procedure of a State shall be construed as referring, where appropriate, to the law or procedure in force in the relevant territorial unit;
b) any reference to residence in a State shall be construed as referring, where appropriate, to residence in the relevant territorial unit;
c) any reference to the court or courts of a State shall be construed as referring, where appropriate, to the court or courts in the relevant territorial unit;
d) any reference to a connection with a State shall be construed as referring, where appropriate, to a connection with the relevant territorial unit.
2. Notwithstanding the preceding paragraph, a Contracting State with two or more territorial units in which different systems of law apply shall not be bound to apply this Convention to situations which involve solely such different territorial units.
3. A court in a territorial unit of a Contracting State with two or more territorial units in which different systems of law apply shall not be bound to recognise or enforce a judgment from another Contracting State solely because the judgment has been recognised or enforced in another territorial unit of the same Contracting State under this Convention.
4. This Article shall not apply to a Regional Economic Integration Organisation.