California Air Resources Board

Section 95985 of the Cap-and-Trade Regulation establishes a process for CARB to investigate and invalidate issued compliance offset credits.

• ARB Offset Credit Regulatory Conformance and Invalidation Guidance

Information on the invalidation investigations CARB has conducted since the first issuance of ARB offset credits in 2013 is found below.

• Central Sands Dairy (2022)
  • Final Determination Central Sands Dairy Offset Investigation (2022)
  • Notice of Offset Investigation - Central Sands Dairy (2022)
  • Central Sands Dairy Offset Investigation FAQ (2022)
• Dairyland Farm (2021)
  • Final Determination Dairyland Farm Offset Investigation
  • Notice of Offset Investigation - Dairyland Farm
  • Dairyland Farm Offset Investigation FAQ
• Central Sands Dairy (2020)
  • Final Determination Central Sands Dairy Offset Investigation (2020)
  • Notice of Offset Investigation - Central Sands Dairy
  • Central Sands Dairy Offset Investigation FAQ
• Scenic View Dairy (2020)
  • Final Determination Scenic View Dairy Offset Investigation
  • Notice of Offset Investigation - Scenic View Dairy
  • Scenic View Dairy Offset Investigation FAQ
• Bos Dairy (2016)
  • Livestock Offset Investigation Final Determination  
  • Livestock Offset Investigation FAQ
  • Livestock Offset Investigation Market Notice
• ODS Destruction at Clean Harbors Incineration Facility (2014)
  • ODS Investigation Final Determination 
  • ODS Investigation Preliminary Determination
    • Attachment A
    • Attachment B
    • View Comments
  • ODS Offset Investigation FAQ

ARB Offset Credit Invalidation-related Alert

• Alert Regarding Claims of U.S. Forest Offset Credit Invalidation (October 2019)

For questions or comments, contact CACITSSRegistrar@arb.ca.gov or (916) 322-2037.