The conclusion of bilateral agreements and establishment of bilateral joint bodies for boundary waters is important, however, it should not be regarded as a substitute to cooperation on the entire transboundary basin(s). This presumes the existence of decision-making, executive and working bodies, including a permanent organ to support the activities of a joint body. It also presumes a clear definition of tasks and functions for each element of an organizational structure. The majority of joint bodies in EECCA need to establish small but permanent secretariats.