Carbon Audit Evidence Checklist

A report is only audit-ready when source lineage is complete and approval controls are enforceable. Use this checklist to prepare each close package.

Evidence pack structure

Section Required evidence
Boundary and periodApproved scope memo + period lock
Source data extractsImmutable export with checksum and timestamp
Calculation modelMethod version + factor version reference
ExceptionsOwner, reason code, and resolution timestamp
Sign-offPreparer-reviewer-approver chain

Close control thresholds

  • Data completeness above 98% before report generation.
  • All high-severity exceptions resolved or explicitly approved.
  • No calculation version changes after reviewer sign-off.