If Japan wants to promote the best interests of children, it should sign the Hague Convention, the special adviser to the U.S. State Department on issues pertaining to international parental child abductions urged Tuesday.

Susan Jacobs, in Tokyo on a four-day visit during which she met with officials at the Foreign and Justice ministries, said the 1980 Hague Convention on the Civil Aspects of International Child Abduction acts as a deterrent to parental child abductions.

Members of the Hague Convention "are very interested in having Japan join this convention because the convention sets out a legal framework for the return of children who have been abducted from one country to another country," Jacobs said. "And I think that we have found that when this convention is in place, it lowers the number of abductions and encourages parents to reach custody agreements with each other in the best interests of the child."