Permanent rule record
California: 17 CCR section 95100 et seq.
Expands mandatory greenhouse gas reporting, creates a 90-day notice duty for certain newly covered industrial entities, and adds cement and hydrogen reporting beginning with 2027 data.
Who is affected
Certain California industrial-process operators, cement importers, hydrogen importers, and in-state electric hydrogen producers
Status and jurisdiction
- Status
- Adopted; effective September 1, 2026
- Jurisdiction
- California, Statewide
Operative dates
- Final Mandatory Reporting Regulation amendments took effect
- 90-day notice period ends for existing entities newly covered by the industrial-process provision
Verification history
- Verified September 12, 2026 in the live tracker.
Correction history
No substantive correction is recorded for this rule record.