Object: Electronic Auction - Hiring Of A Legal Entity Specialized In The Provision Of Outpatient And Hospital Medical Assistance Services With Obstetrics, Physiotherapeutic, Psychological And Pharmaceutical Inpatient, Laboratory And Auxiliary Diagnostic And Treatment Services, Through A Nationwide Health Plan, To All Crt-04 Employees, Active And Inactive, Who May Join, Or Not, Within The Scope And Coverage Conditions Established By The Plan Eventually Chosen By Them.