Art. 13 of the Convention of 5 October 1961 concerning the powers of authorities and the law applicable in respect of the protection of infants
(Hague Protection of Minors Convention 1961)
The present Convention shall apply to all infants who have their habitual residence in one of the Contracting States.
Nevertheless any powers conferred by the present Convention on the authorities of the State of the infant’s nationality shall be reserved to the Contracting States.
Each Contracting State may reserve the right to limit the application of the present Convention to infants who are nationals of one of the Contracting States.