These structures experience an important decline of efficiency for a while and require a particular attention:

• In preventive mode (recommended by the expert): before the implementation of the reorganization or the merger, in order to allow the group to develop its own operating modes of regulation and its methods of work for the new environment.

• In curative mode after the reorganization or the merge, to help the group to reduce and resolve the existing conflicts, then to create and to establish the cooperative operating modes necessary for the new context.