Article 15U.K.
(1)Before reaching a decision under paragraph (1)(b) of Article 10, the authority concerned in the State addressed:
(a)shall ascertain the child’s views unless this is impracticable having regard in particular to his age and understanding; and
(b)may request that any appropriate enquiries be carried out.
(2)The cost of enquiries in any Contracting State shall be met by the authorities of the State where they are carried out.
Requests for enquiries and the results of enquiries may be sent to the authority concerned through the central authorities.