TY JOUR TI FEDERAL STATE CLAUSE, TERRITORIAL UNITS CLAUSE AND FEDERAL RESERVATION — THE WAYS TO LIMIT INTERNATIONAL TREATY OBLIGATIONS KW federal state clause KW territorial units clause KW federalism reservation KW federalism understanding KW federal declaration KW federal state KW federal government KW constituent units KW unitary state KW international treaty obligations. JO Journal of Foreign Legislation and Comparative Law AU Osminin, B.. PY 2016 IS 2 PB Legal publishing house Norm