"Esercizi consigliati" (Recommended Structures) are accommodation - tourist structures (hotels, holiday farms, rooms to let, trattorie, restaurants, and other structures offering tourist services) situated within the perimeter of the Park area and pre-Park area.
The structures joining the project must guarantee the planning/construction compliance of the buildings housing the activity, as well as the compliance of the municipal authorization issued to carry out the tourist service activity, and must comply with certain standards of environmental quality, as well as laws and rules in force regarding environmental issues.
If you want to join the project "esercizi consigliati" look at the Regulations.