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Commission

  • IEC Secretariat
    3 rue de Varembé
    PO Box 131
    CH-1211 Geneva 20
    Switzerland
  • + 41 22 919 0211
  • iec.ch

International Organization
for Standardization

  • ISO Central Secretariat
    Chemin de Blandonnet 8
    CP 401
    1214 Vernier, Geneva
    Switzerland
  • +41 22 749 01 11
  • iso.org

International
Telecommunication Union

  • ITU
    Place des Nations
    1211 Geneva 20
    Switzerland
  • +41 22 730 51 11
  • itu.int