Object: Electronic Auction - Contracting Of Ongoing Communication Accessibility, Intermediation And Interpretation Services Between Libras (Brazilian Sign Language) And Portuguese And Vice Versa, For Use By Employees Of The Special Secretariat Of The Federal Revenue Of Brazil (Rfb) Nationwide, When There Is A Need For Interaction With Taxpayers With Hearing Impairment, In All Fields Of Activity Of The Rfb, In Accordance With The Conditions And Requirements Established In The Notice.