1. In relation to a State in which two or more systems of law or sets of rules of law with regard to any matter dealt with in this Convention apply in different territorial units –
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 a decision established, recognised, recognised and enforced, enforced or modified in that State shall be construed as referring, where appropriate, to a decision established, recognised, recognised and enforced, enforced or modified in the relevant territorial unit;
c) any reference to a judicial or administrative authority in that State shall be construed as referring, where appropriate, to a judicial or administrative authority in the relevant territorial unit;
d) any reference to competent authorities, public bodies, and other bodies of that State, other than Central Authorities, shall be construed as referring, where appropriate, to those authorised to act in the relevant territorial unit;
e) any reference to residence or habitual residence in that State shall be construed as referring, where appropriate, to residence or habitual residence in the relevant territorial unit;
f) any reference to location of assets in that State shall be construed as referring, where appropriate, to the location of assets in the relevant territorial unit;
g) any reference to a reciprocity arrangement in force in a State shall be construed as referring, where appropriate, to a reciprocity arrangement in force in the relevant territorial unit;
h) any reference to free legal assistance in that State shall be construed as referring, where appropriate, to free legal assistance in the relevant territorial unit;
i) any reference to a maintenance arrangement made in a State shall be construed as referring, where appropriate, to a maintenance arrangement made in the relevant territorial unit;
j) any reference to recovery of costs by a State shall be construed as referring, where appropriate, to the recovery of costs by the relevant territorial unit.
2. This Article shall not apply to a Regional Economic Integration Organisation.