TR CU Certificate (CoC) vs TR CU Declaration (DoC) Full Guide
Both documents have equal legal validity for customs clearance & sales in all 5 EAEU countries (RU/BY/KZ/KG/AM). The technical regulation (TR CU) itself defines which one you must apply for — manufacturers cannot choose freely.
TR CU CoC sample
TR CU DoC sample
1. Core Definition
TR CU Certificate of Conformity (CoC / EAC Certificate)
Issued by an EAEU Rosaccreditation-accredited third-party certification body
For high-risk products that may cause injury, fire, explosion or public hazard
Printed on official secure anti-counterfeit paper with cert body seal & signature
Liability shared by certification body + EAEU authorized representative
TR CU Declaration of Conformity (DoC / EAC Declaration)
Self-declared by an EAEU local legal entity (importer/authorized rep); only registered in the federal unified registry
For low/medium-risk consumer goods
Printed on plain A4 paper, signed & sealed by the local applicant company
100% full legal liability borne solely by the EAEU declarant

2. Clear Comparison Table
Comparison Item    TR CU Certificate (CoC)    TR CU Declaration (DoC)
Issuing Party    Accredited third-party certification body    EAEU local authorized rep / importer (self-declare)
Mandatory Factory Audit    ✅ Required for serial production (1–5 year cert); annual surveillance audit    ❌ No factory audit at all
Lab Testing Rule    Mandatory full testing in Rosaccreditation accredited labs (Russia lab preferred in 2026)    Accept manufacturer internal test / CE/CB reports; no mandatory official lab test
Certification Schemes    Marked with suffix C: 1C,2C,3C,4C,9C    Marked with suffix D: 1D,2D,3D,4D,5D,6D
Document Format    Special security official form    Standard blank A4 sheet
Processing Cycle    4–12 weeks (test + audit + document review)    7–15 working days (only file registration)
Total Cost    High (lab test + audit + surveillance fees)    Low (only document review & registry fee)
Validity Options    1 batch (single shipment) / serial 1–5 years    1 batch / serial 1–5 years (max 5 years)
Liability Bearer    Joint: cert body + local rep    Entirely the EAEU declarant
Product Risk Level    High-risk goods    Low & medium-risk goods
Market Recognition    Higher acceptance for government tender, industrial projects    General retail & e-commerce (Ozon/Wildberries)
3. Typical Product Scope (Mandatory split by TR CU rules)
Must apply TR CU CoC (Certificate)
Explosion-proof equipment (TR CU 012/2011)
Pressure vessels & high-pressure piping (TR CU 032/2013)
Toys, children’s articles (TR CU 007/2011)
Medical devices
Lifts / elevators
Complex industrial machinery, construction machines
Vehicle components, auto spare parts
Low-voltage safety critical devices (power distribution cabinets)
Allowed TR CU DoC (Declaration)
Furniture, textiles, clothing, shoes