AS ISO 14064.3:2024 identically adopts ISO 14064 3:2019 which specifies principles and requirements and provides guidance for verifying and validating greenhouse gas (GHG) statements.
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Terms related to greenhouse gases
3.2 Terms related to entities involved in GHG verification and validation
3.3 Terms related to the GHG inventory
3.4 Terms related to the GHG statement
3.5 Terms related to GHG data and information management
3.6 Terms related to verification and validation
4 Principles
4.1 General
4.2 Impartiality
4.3 Evidence-based approach
4.4 Fair presentation
4.5 Documentation
4.6 Conservativeness
5 Requirements applicable to verification/validation
5.1 Pre-engagement activities
5.1.1 General
5.1.2 Type of engagement
5.1.3 Level of assurance in the case of verification
5.1.4 Objectives
5.1.5 Criteria
5.1.6 Scope
5.1.7 Materiality thresholds
5.2 Verification/validation team selection
5.3 Verification/validation activities and techniques
5.4 Specific requirements
5.4.1 Verifier/validator communication
5.4.2 Sufficiency of evidence
5.4.3 Intentional misstatement
5.4.4 Documented information
5.4.5 Process for completing a verification/validation
6 Verification
6.1 Planning
6.1.1 Strategic analysis
6.1.1.1 General
6.1.1.2 Additional requirements for project GHG statement verification
6.1.1.3 Additional requirements for product GHG statement verification
6.1.2 Risk assessment
6.1.2.1 General
6.1.2.2 Types of risks
6.1.2.3 Risk assessment considerations
6.1.2.4 Information sources for risk assessment
6.1.2.5 Additional requirements for project GHG statement verification
6.1.2.6 Additional requirements for product GHG statement verification
6.1.2.7 Uses for risk assessment information
6.1.3 Evidence-gathering activities
6.1.3.1 General
6.1.3.2 Data trail
6.1.3.3 GHG information system and controls
6.1.3.4 GHG data and information
6.1.3.5 Data aggregation process
6.1.3.6 Application of selected verification activities and techniques
6.1.3.6.1 Analytical testing
6.1.3.6.2 Control testing
6.1.3.6.3 Estimate testing
6.1.3.6.4 Sampling
6.1.3.6.5 Evaluation of ownership
6.1.4 Site visits
6.1.4.1 Site and facility selection
6.1.4.2 Circumstances requiring a site or facility visit
6.1.4.3 Activities to perform during site visits
6.1.5 Verification plan
6.1.6 Evidence-gathering plan
6.1.7 Approval of verification and evidence-gathering plans
6.2 Execution
6.3 Completion
6.3.1 Evaluation of the GHG statement
6.3.1.1 Evaluation of changes
6.3.1.2 Evaluation of sufficiency and appropriateness of evidence
6.3.1.3 Evaluation of material misstatements
6.3.1.4 Evaluation of conformity with criteria
6.3.1.5 Evaluation of changes from prior periods
6.3.2 Conclusion and draft opinion
6.3.2.1 General
6.3.2.2 Unmodified opinion
6.3.2.3 Modified opinion
6.3.2.4 Adverse opinion
6.3.2.5 Disclaiming the issuance of an opinion
6.3.3 Verification report
7 Validation
7.1 Planning
7.1.1 Strategic analysis
7.1.2 Materiality thresholds
7.1.3 Estimate testing
7.1.4 Assessment of GHG-related activity characteristics
7.1.4.1 General
7.1.4.2 Recognition
7.1.4.3 Ownership
7.1.4.4 GHG boundary
7.1.4.5 Baseline scenario selection
7.1.4.6 Activity measurements
7.1.4.7 Secondary effects
7.1.4.8 Quantification methodologies and measurements
7.1.4.9 GHG information system and controls
7.1.4.10 Functional equivalence
7.1.4.11 Calculation of GHG statement
7.1.4.12 Future estimates
7.1.4.13 Uncertainty
7.1.4.14 Sensitivity
7.1.5 Validation plan
7.1.6 Evidence-gathering plan
7.1.7 Approval of validation and evidence-gathering plans
7.1.8 Amendments to validation and evidence-gathering plans
7.2 Execution
7.2.1 General
7.2.2 Evaluation of the GHG statement
7.2.3 Proper disclosure
7.3 Completion
7.3.1 General
7.3.2 Opinion
7.3.2.1 General
7.3.2.2 Unmodified opinion
7.3.2.3 Modified opinion
7.3.2.4 Adverse opinion
7.3.2.5 Disclaiming the issuance of an opinion
7.3.3 Validation report
8 Independent review
9 Issuance of opinion
9.1 General
9.2 Types of opinions
9.3 Contents of opinion
10 Facts discovered after the verification/validation
Annex A
A.1 General
A.2 Specification of level of assurance
A.3 Limited level of assurance verification process
A.3.1 General
A.3.2 Strategic analysis
A.3.3 Risk assessment
A.4 Evidence-gathering activities
A.4.1 General
A.4.2 GHG system and controls
A.4.3 Data aggregation process
A.4.3.1 General
A.4.3.2 Application of verification activities and techniques
A.4.3.2.1 Analytical testing
A.4.3.2.2 Control testing
A.4.3.2.3 Sampling
A.4.3.2.4 Site visits
A.4.3.2.5 Estimate testing
A.4.3.3 Verification plan
A.4.3.4 Evidence-gathering plan
A.5 Issuance of opinion
Annex B
B.1 Initial design
B.2 Materiality assessment
B.3 Risk assessment
B.3.1 General
B.3.2 Classifying risks for types of emissions or removals
B.3.3 Considerations for engagements at the limited level of assurance
B.4 Evidence-gathering plan
B.5 Analytical procedures
B.6 Estimates
B.7 Aggregation of the GHG statement
B.8 Determining further evidence-gathering activities
B.9 Interpretations of conservativeness
Annex C
C.1 General
C.2 Application of agreed-upon procedures
C.3 Roles and responsibilities
C.3.1 Roles and responsibilities of the intended user
C.3.2 Roles and responsibilities of the verifier
C.3.3 Assessments made by the verifier on the design of the agreed-upon procedures
C.4 Planning
C.5 Execution of agreed-upon procedures
C.5.1 General
C.5.2 Inappropriate agreed-upon procedures
C.5.3 Agreed-upon procedures process
C.6 Presentation of the agreed-upon procedures results
C.7 Presentation of the agreed-upon procedures findings
C.8 Agreed-upon procedures examples
Annex D
D.1 Background and application
D.2 Example of a verification and validation opinion for an organization’s GHG statement
D.3 Example of a verification, validation and agreed-upon procedures for a product’s GHG statement
