What is a BIS Certificate of Conformity (CoC)?
The Certificate of Conformity (CoC) is granted by the Bureau of Indian Standards (BIS) under Scheme-IV (and Scheme-X for specific critical machinery) of the BIS (Conformity Assessment) Regulations. Unlike standard ISI mark licensing which requires a permanent in-house lab and continuous surveillance, CoC is often issued for specific product lots, customized assemblies, or products where type testing and factory conformity evaluation suffice.
CoC is essential for specialized electrical equipment, transformers, industrial machinery, and components imported or supplied for critical infrastructure, government tenders, and defense sectors in India.
Lot & Batch Compliance
Permits compliance verification for specific consignments or batches without long-term factory surveillance obligations.
Statutory Customs Release
Enables swift customs clearance for imported capital goods, project equipment, and specialized precision instruments.
Common Products Covered under BIS CoC
Products and sectors frequently seeking BIS Certificate of Conformity:
Transformers & Power Gear
Distribution & Power transformers, substations, switchgearsIndustrial Machinery
Pumps, compressors, diesel engines, lifting equipmentRenewable Energy Components
Solar inverters, hybrid controllers, wind turbine partsSpecialty Chemicals & Polymers
Industrial polymers, performance coatings, specialized catalystsProcess to Obtain BIS CoC
Technical Scrutiny & Standard Mapping
Mapping product technical specifications to relevant Indian Standards (IS/ISO/IEC equivalent) and identifying required test parameters.
NABL Lab Testing Coordination
Submitting product samples to BIS-recognized or NABL accredited laboratories for complete type testing.
Dossier Submission on Manakonline
Filing application on the BIS portal with test reports, technical construction file, quality system documents, and declaration of conformity.
Scrutiny & Grant of Certificate of Conformity
BIS scrutinizes test results and documentation, issuing the official Certificate of Conformity for regulatory and customs use.
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