Bids Are Invited For Hiring A Specialized Company To Provide Preventive And Corrective Maintenance Services For Air Conditioning Units Installed On Core-Mgs Premises, Including The Preparation, Implementation And Monitoring Of The Maintenance, Operation And Control Plan (Pmoc), In Accordance With Current Legislation, With The Issuance Of The Respective Technical Responsibility Note (Art) Or Technical Responsibility Record (Rrt) By The Qualified Professional Responsible For The Services, As Well As The Total Or Partial Replacement Of Refrigerant Gas.