ISO 14064-3
ISO 14064-3:2019 Greenhouse gases, Part 3: verification and validation of GHG statements
Topic : Climate · Level : Sector-specific
Today
Current edition 2019. Used by GHG programmes and certifiers; Singapore lists it with ISSA 5000 for assurance from 2027.
Summary
ISO 14064-3 sets how a third party verifies or validates a GHG statement for a company, project or product. It is programme neutral and widely used by certifiers. Singapore proposes it, with ISSA 5000, for assurance from 2027.
Who is concerned
- Turnover
- not specified (voluntary standard)
- Employees
- non précisé
- Listed company
- non précisé
- Sectors
- All sectors
- Triggering activities
- Third-party GHG verification requested
- GHG programme or regulator requires it
- Extraterritorial reach
- No
Programme neutral: used for statements reported in any country.
- Examples
- Factory verifying its Scope 1-2
- Supplier verifying a product footprint
What the law requires
- Verify or validate a GHG statement against criteria
- Plan on risk and materiality
- Collect and test evidence on data and controls
- Issue an opinion at a stated assurance level
Penalties
None; voluntary standard. Consequences come from the programme or buyer that requires it.
What this changes for a supplier in China
Many buyers and GHG programmes accept supplier inventories only once verified. ISO 14064-3 is the usual route for a factory's Scope 1-2 or a product footprint.
Expected evidence
- Verified GHG statement
- Verifier opinion and scope
- Activity data and emission factors
Tiers : Tier 1-2

