UITP
International Association of Public Transport
UNASUR
Union of South American Nations
UNCED
United Nations Conference on Environment and Development
UNCTAD
United Nations Conference on Trade and Development
UNDA
United Nations Development Account
UNDP
United Nations Development Programme
(UN) DPI
(United Nations) Department of Public Information
UNECA
United Nations Economic Commission for Africa
UNECE
United Nations Economic Commission for Europe
UNECLAC
United Nations Economic Commission for Latin America and the Caribbean
UNEP
United Nations Environment Programme
UNESCAP
United Nations Economic and Social Commission for the Asian and the Pacific
UNESCWA
United Nations Economic and Social Commission for Western Asia
UNLK
United Nations Layout Key (for Trade Documents)
UNTDED
United Nations Trade Data Elements Directory
WCED
World Commission on Environment and Development
WCO
World Customs Organization
WHO
World Health Organization
WP.1
(UNECE) Working Party on Road Traffic Safety
WP.11
(UNECE) Working Party on the Transport of Perishable Foodstuffs
WP.29
(UNECE) World Forum for Harmonization of Vehicle Regulations
WTO
World Trade Organization
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