EAC Mark — Eurasian Conformity Definition EAC (Eurasian Conformity) is the mandatory single conformity mark for products placed on the market of the Eurasian Economic Union (EAEU): Russia, Belarus, Kazakhstan, Armenia, Kyrgyzstan. It confirms that the product complies with the applicable TR TS / TR CU / TR EAEU (EAEU Technical Regulations) and has passed the required conformity assessment (EAC CoC Certificate of Conformity or EAC DoC Declaration of Conformity), registered in the FGIS database. The EAC mark itself is not a certificate. It is the visible symbol showing the product has valid underlying CoC / DoC.