Hunting licenses are also sold, which gives the public the possibility to hunt in privately owned forests, on common land and in municipal and state-owned forests" (Detnorske skogselskap 2011). Several environmental and recreational NGOs criticized the act for not taking the environmental concerns in the preamble seriously in the following sections of the act A follow-up Regulation on sustainable forestry (LMD 2006) was approved and tied to the Forestry Act, primarily to give more specific rules on how to achieve sustainable forestry and long term resource management (including concerns for "outdoor recreation, landscape and cultural values)." The responsibility for such concerns mainly belongs to the forest owner ("freedom under responsibility)." The forest owner shall be aware of the environmental values in his/her own forest and allow for environmental concerns when implementing any action in the forest The premise is that "forest and environmental resources" in the actual forest are documented, and that a plan for management of these resources is developed.