Accession to the Stockholm Act (1967) by the Soviet Union: April 8, 1971; Entry into force: July 26, 1971. Signature of the Geneva Act (1977): May 13, 1977; Ratification: September 23, 1987; Entry into force: December 30, 1987. Declaration of continued application by the Republic of Tajikistan: February 14, 1994. Entry into force date given as date of independence.