Open Procedure, For The Conclusion Of A Single-Operator Framework Agreement, Pursuant To Articles. 71 And 59, Paragraph 3, Of Legislative Decree No. 36/2023, For The Assignment Of Insurance Services, Including Through Brokerage, Necessary To Guarantee Coverage Of The Risks To Which Ama S.P.A. Is Exposed, Divided Into 3 Lots, For A Period Of 48 (Forty-Eight) Months.