In recent years, environmental law and pol-icy have undergone a change of governance models, shifting from central state, top-down regulation to more transparent, local decision making structures involving private companies, non-governmental organizations, concerned cit-izens and interest groups. The Aarhus Conven-tion became a part of the Serbian legal system in 2009. Its provisions not only strengthen third-par-ty rights to participate, but furthermore oblige state authorities to be active in involving citizens in environmental decisions. The question arises about the extent of consequences of this devel-opment at the international level for the national legal system.Analysis of the implementation of the Gen-eral Administrative Procedural...