Decree No. 56 of 1997 relative to the establishment of a nature planning function.
The State Institute for Public Health and the Environment shall at least once every four years report to the Minister in the form of a scientific study on the state of the nature, forests and landscape indicating also probable and otherwise foreseeable future developments regarding the environment. The Minister shall indicate all bodies that shall be involved in the preparation of the plan. The report shall be sent to the parliament.