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Since it was set up in 2004, the Network has organised symposia, as well as held special sessions at annual AFS congresses. The first inter-congressional symposium was held at the University Paris 5 Sorbonne, in 2005, on the theme of “Social Policies in Europe”. The second symposium was held in Grenoble, in cooperation with the PACTE Research Unit and Science Po Grenoble, in January 2008. Its subject was “The Challenges to the Legitimacy of Social Policies”. Three sessions took place at the Congress in Villetaneuse (2004), Bordeaux (2006) and Paris (2009). The third symposium took place in January 2011, at the University of Evry (see section) and its theme was social policies and the crisis. For each of these events, the Executive Committee of the Network, working as an organizing and evaluation committee, received about sixty communication proposals, of which forty were accepted. Another number of communications were presented in “poster” form. The method used for the sessions draws on the method originally put forward by the RC19 of the International Sociological Association, though it is somewhat different: for each session with three or four communications, a discussant begins by setting out the main points of the communication and then asks the speakers two or three questions. The authors of papers then reply, prior to a general discussion. This method had has been much appreciated and retained, at the request of participants. These are largely young researchers, PhD students, or recently-qualified PhD students and post-docs. Within this context, the RT6 wishes to act as a forum of exchange, research and debate on all issues relating to the dynamics of the construction and evolution of social security systems. The Network maintains systematic relations with the RC19 of the International Association, and is also the correspondent of Espanet, a network bringing together sociologists and political scientists at the European level. With support from the latter, the RT6 organised a seminar for doctoral students in April 2010, which invited confirmed researchers from foreign universities. They were able to discuss about fifteen papers by PhD students, in good conditions.