Market Survey For Expression Of Interest To Participate In The Negotiated Procedure Without A Announcement Pursuant To Art 50 Paragraph 1 Letter And Of The Legislative Decree 36_2023 For The Reliance Of The Catering Service With Reduced Environmental Impact For Users Accepted At The Criminal Institution For Minors With An Attached First Reception Center Of Florence Period 24 Months From The Date Of Actual Start Of The Service As Well As Any Technical Extension Of Months N 6 Months.