Russian EAC Certification (TR CU / Customs Union Certification) 1. Core Definition EAC = Eurasian Conformity Mark It is the mandatory unified market access certification for the Eurasian Economic Union (EAEU)，covering 5 member states: Russia, Belarus, Kazakhstan, Armenia, Kyrgyzstan Also named CU-TR / TR CU Certification (based on EAEU unified Technical Regulations) Replaced old national GOST-R (Russia), GOST-K (Kazakhstan) certification; one certificate, valid in all 5 countries Equivalent to EU CE marking / China CCC certification; compulsory for customs clearance & retail sales in Russia