By October 15, 2018, the following (47) States/Organizations were parties to this Treaty:

  • Afghanistan
  • Armenia
  • Australia
  • Belarus
  • Belgium
  • Benelux
  • Benin
  • Bulgaria
  • Croatia
  • Denmark
  • Estonia
  • France
  • Germany
  • Iceland
  • Iraq
  • Ireland
  • Italy
  • Japan
  • Kazakhstan
  • Korea (North)
  • Korea (South)
  • Kyrgyzstan
  • Latvia
  • Liechtenstein
  • Lithuania
  • Luxembourg
  • Macedonia
  • Mali
  • Moldova
  • Mongolia
  • Netherlands*
  • New Zealand
  • OAPI
  • Peru
  • Poland
  • Romania
  • Russian Federation
  • Serbia
  • Singapore
  • Slovakia
  • Spain
  • Sweden
  • Switzerland
  • Tajikistan
  • Ukraine
  • United Kingdom
  • United States of America.

* extended to Curaçao, Sint Maarten and BES Islands.