Country	Action	Action Date	Effective Date
ANHALT-DESSAU-COETHEN	Accession	17/06/1856
ARGENTINE CONFEDERATION	Accession	01/10/1856
AUSTRIA	Signature	16/04/1856
BADEN	Accession	30/07/1856
BAVARIA	Accession	04/07/1856
BELGIUM	Accession	06/06/1856
BRAZIL	Accession	18/03/1858
BREMEN	Accession	11/06/1856
BRUNSWICK	Accession	07/12/1857
CHILE	Accession	13/08/1856
DENMARK	Accession	25/06/1856
ECUADOR	Accession	06/12/1856
FRANCE	Signature	16/04/1856
FRANKFURT	Accession	17/06/1856
GERMANIC CONFEDERATION	Accession	10/07/1856
GREECE	Accession	20/06/1856
GUATEMALA	Accession	30/08/1856
HAMBURG	Accession	27/06/1856
HANOVER	Accession	31/05/1856
HAYTI	Accession	17/09/1856
HESSE CASSEL	Accession	04/06/1856
HESSE DARMSTADT	Accession	15/06/1856
ITALY	Accession	02/06/1856
JAPAN	Accession	30/10/1886
LUBECK	Accession	20/06/1856
MECKLENBERG-SCHWERIN	Accession	22/07/1856
MECKLENBERG-STRELITZ	Accession	25/08/1856
MEXICO	Accession	13/02/1909
MODENA	Accession	29/07/1856
NASSAU	Accession	18/06/1856
NETHERLANDS THE	Accession	07/06/1856
NORWAY	Accession	13/06/1856
OLDENBURG	Accession	09/06/1856
PARMA	Accession	20/08/1856
PERU	Accession	23/11/1857
PORTUGAL	Accession	28/07/1856
PRUSSIA	Signature	16/04/1856
RUSSIA	Signature	16/04/1856
SARDINIA	Signature	16/04/1856
SAXE-ALTENBURG	Accession	09/06/1856
SAXE-COBURG-GOTHA	Accession	22/06/1856
SAXE-MEININGEN	Accession	30/06/1856
SAXE-WEIMAR	Accession	22/06/1856
SAXONY	Accession	16/06/1856
SICILY	Accession	31/05/1856
SPAIN	Accession	18/01/1908
SWEDEN	Accession	13/06/1856
SWISS CONFEDERATION	Accession	28/07/1856
TURKEY	Signature	16/04/1856
TUSCANY	Accession	05/06/1856
UNITED KINGDOM	Signature	16/04/1856
UNITED KINGDOM	Signature	16/04/1956
WURTEMBURG	Accession	25/06/1856