18 ROMANIA 04.11.93 04.10.94 SAN-MARINO 04.11.93 *** SLOVAKIA 07.03.94 11.05.94 SLOVENIA 31.03.94 16.02.95 SPAIN 21.02.95 08.06.95 SWEDEN 07.03.94* 07.03.94* SWITZERLAND 09.03.94* 09.03.94* TURKEY 10.05.95 *** UNITED KINGDOM 09.12.93 *** * *** Signature without reservation as to ratification State whose ratification is necessary for the entry into force of the Protocol