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Bulgaria

Instruments

1991 European Energy Charter

  • signed on 17 December 1991

1994 Energy Charter Treaty

  • signed on 17 December 1994 
  • ratified on 31 July 1996
  • deposited on 15 November 1996
  • entered into force on 16 April 1998

1994 Protocol on Energy Efficiency and Related Environmental Aspects

  • signed on 17 December 1994 
  • ratified on 31 July 1996
  • deposited on 15 November 1996
  • entered into force on 16 April 1998

1998 Amendment to the Trade related provisions of the Energy Charter Treaty

  • provisional application

2015 International Energy Charter

  • signed on 20 May 2015