Open Procedure, Pursuant To Articles 70 And 71 Of Legislative Decree 31 March 2023 N. 36, For The Signing Of A Framework Agreement Aimed At Ensuring The Overnight Service With An Attached Supply Of Meals As Well As The Replacement Service Of The Canteen To The Staff Belonging To The Police Forces (State Police, Carabinieri And Guardia Di Finanza), Employed In Public Order And Security Activities, Supervisory And Control At The Center For Stay Of The Palazzo Di S. Gervasio (Pz) Period: 3 Years From The Stipulation.