Based on the search results, TR TS 004/2011 (also known as CU TR 004/2011) governs the safety requirements for low-voltage equipment in the Eurasian Economic Union (EAEU). The compliance assessment can be achieved through either an EAC Certificate (CU-TR Certificate) or an EAC Declaration (CU-TR Declaration), depending on the product type and risk level. Here are the key differences and requirements: 🔍 1. Core Differences Between EAC Certificate and EAC Declaration Aspect EAC Certificate (CU-TR Certificate) EAC Declaration (CU-TR Declaration) Applicability Mandatory for higher-risk products (e.g., household appliances, cables, power tools) Mandatory for lower-risk products not covered by the Certificate list Issuing Authority Issued by EAEU-accredited certification bodies Self-declared by the applicant, registered by EAEU bodies Applicant Requirements Any entity (including foreign manufacturers) Only EAEU-registered entities (e.g., local importers/distributors)