Annual dues are paid in accordance with Statute 41: 'Each Member of ICSU shall pay annual dues within a scale determined by the General Assembly. Each International and Regional Scientific Associate shall pay annual dues determined by the General Assembly. National Associates pay no dues'. The dues are based on the decision of the 30th General Assembly in 2011 and a new system of dues for National Members based on GDP and for Scientific Union Members based on their income from dues came into effect in 2012. Dues of International Associates are fixed at €500.