The Ministerial Conference of 22 and 23 November 1971 is generally presented as the official entry into force of COST and at which the first intergovernmental agreements were signed.
The 41 COST Members are: Albania, Armenia, Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Moldova, Montenegro, The Netherlands, The Republic of North Macedonia, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom, Ukraine.
COST Near Neighbour Countries include Algeria, Azerbaijan, Belarus, Egypt, The Faroe Islands, Jordan, Kosovo*, Lebanon, Libya, Morocco, Palestine**, Russia***, Syria, and Tunisia.
Researchers connected to institutions from International Partner Countries whose participation in a COST Action has been approved are not eligible for reimbursement.
A huge variety of topics can be covered in COST Actions, including established research areas like history, biology, ecology, astronomy, criminal justice, but also newly emerging areas like systems biology, renewable energy, sustainable architecture or behavioural economics.
COST provides funding for a period of four years which is used for organising meetings, workshops, conferences, training schools, short-term scientific missions as well as communication and dissemination activities.