Open Procedure, Through An Appeal On The Sintel Telematic Platform, Pursuant To Art. 71 Of Legislative Decree 31 March 2023, N. 36, For The Assignment Of The Management Of The Treasury Service For The Personal Services Company Istituti Milanesi Martinitt E Stelline And Pio Albergo Trivulzio For The Duration Of 36 Months (With Renewal For A Further 36 Months).