“ The Secretary of State, with the concurrence of the Attorney General in cases involving designations of authority to officers of the Department of Justice, is authorized to make additional designations provided for in the Convention or to modify the designations made by this order. ”

“ The Department of State, the Department of Justice and the United States Marshal or Deputy Marshal for the judicial district in which service is made are designated as authorities to complete the certificate in the form annexed to the Convention.
Sec. 3. Additional Designations. ”