• Agreement on Cooperation between BSEC and the United Nations Development Programme
• Relationship Agreement between the United Nations Industrial Development Organization and BSEC
• Agreement on Cooperation between BSEC and the United Nations Environment Programme
• Cooperation Agreement between BSEC and the United Nations Economic Commission for Europe
• Agreement among the Governments of the BSEC participating States on Cooperation in Combating Crime, in Particular in its Organized Forms
• Agreement among the Governments of the Participating States of the BSEC on collaboration in Emergency Assistance and Emergency Response to natural and man- made Disasters