EAC vs GOST-R Certification – Full Detailed Differences Core Rule First (Critical Priority) TR CU / EAC legal status overrides GOST-R entirely: If your product falls under any EAEU TR CU technical regulation → EAC (CU-TR) is mandatory, GOST-R will be rejected by Russian customs Only goods with NO applicable TR CU rules require mandatory GOST-R for Russia import/sale The two systems cannot replace each other; they apply to separate product ranges 1. Basic Definition & Governing Body EAC (CU-TR / TR CU Certification) Full name: Eurasian Conformity Mark Certification Legal base: Unified TR CU Technical Regulations of the Eurasian Economic Union (EAEU) Regulator: Eurasian Economic Commission (EEC) + national Rosaccreditation bodies Purpose: Unified cross-border market access for all 5 EAEU member states Mark: Square unified EAC logo GOST-R (Russian National Certification) Full name: Государственный стандарт России (Russian State Standard) Legal base: Russian national GOST standards + Government Decree No.2425 Regulator: Rosstandart (Russian Federal Agency for Technical Regulation and Metrology) Purpose: National compliance only for Russia domestic territory Mark: Circular PCT / RST national mark