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You can also contact us if you need assistance with proper classification of activities, products etc. in one of the classifications supported by the United Nations.

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The Industrial and Energy Statistics Section of the United Nations Statistics Division can be reached through the UN Classifications Hotline by e-mail, fax or regular mail:

by e-mail:   CHL@un.org
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Statistics Division
Attn: Industrial and Energy Statistics Section
United Nations
New York, NY 10017
USA