Object: Electronic Auction - Acquisition Of Materials Necessary To Carry Out Activities Under The Solid Waste Management Plan - Pgrs, In The Indigenous Villages Of The Dsei-Cgb, In Compliance With The National Solid Waste Policy (Pnrs), Established By Law No. 12,305/10, Is A Milestone In Waste Management In Brazil, Aiming To Organize And Optimize The Way Companies, Government And Consumers Deal With Waste.