Both documents have equal legal force for customs clearance and sales across the 5 EAEU countries. The applicable TR CU / TR EAEU technical regulation defines which one you must use — you cannot choose freely.
Main differences between EAC CoC (Certificate of Conformity) and EAC DoC (Declaration of Conformity)
Both documents have equal legal force for customs clearance and sales across the 5 EAEU countries. The applicable TR CU / TR EAEU technical regulation defines which one you must use — you cannot choose freely.
Item
EAC CoC (Certificate of Conformity)
EAC DoC (Declaration of Conformity)
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Product risk level | High-risk products | Medium & low-risk products |
Issuer | Issued by an accredited EAEU notified certification body | Drawn up and signed by the EAEU Authorised Representative (AR); accredited body only registers it into FGIS |
Document format | Printed on special security numbered paper, stamped and sealed | Plain A4 paper, signed by AR |
Conformity assessment | Scheme 1C: sample testing + factory audit Scheme 3C/4C: sample test only (batch / single item) | Sample testing in accredited lab required; no factory audit |
Schemes | 1C, 3C, 4C | 1D, 2D, 3D, 4D |
Liability | Joint liability: notified body + EAEU AR | Full liability rests solely on the EAEU AR |
Surveillance | Serial certificate (1C): mandatory annual surveillance audit + periodic product retest Batch certificate (3C): no surveillance | No annual surveillance after registration |
Validity | Serial: 1–5 years Batch: only valid for one specified shipment | Serial: up to 5 years Batch: valid for one consignment |
FGIS registration | Required for validity | Required for validity |
Notified body number on label | Usually required next to EAC mark | Not required |
Cost & lead time | Higher cost, longer lead time | Lower cost, faster process (if test reports ready) |
Core conceptual differences
Third-party verification vs self-declaration
CoC: Independent notified body evaluates product and (for serial production) factory quality control, then issues the certificate.
DoC: The EAEU AR declares the product complies with TR CU rules, supported by accredited lab test reports. The registration body only checks paperwork, it does not verify product compliance.
Not interchangeable
If a TR CU mandates CoC (e.g. machinery TR CU 010/2011, toys TR CU 008/2011), a DoC is not acceptable.
If a TR CU only requires DoC (e.g. LVD TR CU 004/2011, EMC TR CU 020/2011), applying for CoC is voluntary and unnecessary.
EAC marking
The EAC graphic symbol is identical for CoC and DoC products. In both cases you may affix the EAC mark only after FGIS registration.
Common examples
CoC: toys, children’s products, machinery, pressure vessels, Ex equipment, PPE, lifts
DoC: low-voltage electrical goods, EMC, furniture, textiles, hand tools, food contact materials, EAEU RoHS
Key shared rules
Non-EAEU manufacturers must appoint an EAEU Authorised Representative for both CoC and DoC.
Full technical dossier must be kept for at least 10 years after expiry / last batch release.
Russian mandatory on labels, product passport and user manual.
Quick summary
CoC = third-party certification for high-risk goods, may need factory audit, joint liability.
DoC = AR self-declaration for lower-risk goods, no factory audit, AR carries all responsibility.
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上海经合海关联盟EAC认证中心 上海经合工业设备检测有限公司 电话：021-36411293 021-36411223 地址：中国上海浦东新区高科东路777号1号楼2017 邮箱: eac@cu-tr.org gost-r@163.com skype: gostchina 手机和微信WeChat：18621327282，18621862553 www.cu-tr.org www.gost.org.cn
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