Article 19 - Application to territorial units

(1) If a State has two or more territorial units in which different systems of law are applicable in relation to the matters dealt with in this Convention, it may, at the time of signature, ratification, acceptance, approval or accession, declare that this Convention is to extend to all its territorial units or only to one or more of them, and may at any time substitute another declaration for its earlier declaration.

(2) These declarations are to state expressly the territorial units to which the Convention extends.

(3) If, by virtue of a declaration under this article, this Convention extends to one or more but not all of the territorial units of a State Party, this Convention shall be applicable only if

(a) The transport-related services are performed by an operator whose place of business is located in a territorial unit to which the Convention extends, or

(b) The transport-related services are performed in a territorial unit to which the Convention extends, or

(c) According to the rules of private international law, the transport-related services are governed by the law in force in a territorial unit to which the Convention extends.

(4) If a State makes no declaration under paragraph (1) of this article, the Convention is to extend to all territorial units of that State.