During RSI time, kept its organization in Legions, the same as before, during MVSN years, and still with its duties as protection of the florests and controlling hunting and fishing up to May 1945.
On 11. Dec 1944 changed its name in GUARDIA NAZIONALE REPUBBLICANA DELLA MONTAGNA E DELLE FORESTE, with Mussolini Decree n. 908, adding to its duties the armed defence of water and mining resources.
Commanded by Col. Amedeo VERGER (Nov. 1943 - Jun. 1944) and latare by Gen. Mario CANDELORI (Jun. 1944 - May 1945)