On Februay 1, 1998 the child support reciprocity agreement between the Slovak Republic and the U.S. became effective and the Slovak Republic was declared a Foreign Reciprocating Country.
http://www.cipc.sk/?appId=25&idc=18
Reciprocating Agreement with the Slovak Republic
A Caseworker's Guide for Cases with Foreign Reciprocating Countries (IM-03-07)
IRG - Contact Information