Luxembourg and the United States are treaty partners under The Hague Convention of 25 October 1980 on the civil aspects of international child abduction and the Hague Convention (1996) on jurisdiction, applicable law, recognition, enforcement and cooperation in respect of parental responsibility.
If you believe your child is in the process of being abducted by a parent, legal guardian, or someone acting on their behalf, call the Office of Children’s Issues within the U.S. Department of State : 1-888-407-4747 or 202-501-4444. You will find resources here.
Preventing Child Abduction
The Children’s Passport Issuance Alert Program
The Children’s Passport Issuance Alert Program (CPIAP) is a service for the parents and legal guardians of minor children. It enables the Department of State’s Office of Children’s Issues to notify a parent or court ordered legal guardian, when requested, before issuing a U.S. passport for his or her child. The parent, legal guardian, legal representatives, or the court of competent jurisdiction must submit a written request for entry of a child’s name into the program to the Office of Children’s Issues. To request that your child’s name be entered in the Children’s Passport Issuance Alert Program, click on the following link: https://travel.state.gov/content/childabduction/en/preventing/passport-issuance-alert-program.html