CO HB1199

HB 26-1199: Replacement of Stolen Catalytic Converters

• Creates a temporary exception allowing vehicle owners to use EPA-compliant replacement catalytic converters instead of the currently required California Air Resources Board-compliant converters when a converter is stolen or mechanically fails
• Exception requires stolen converter thefts to be reported to law enforcement, the owner must demonstrate reasonable effort to obtain the required replacement, and the vehicle must pass an emissions inspection within 30 days of installation
• Air Quality Control Commission must adopt implementing rules by October 1, 2026; the exception automatically repeals on July 1, 2028
• Prohibits motor vehicle repair facilities from repairing or replacing a catalytic converter without first informing the customer about state programs to replace internal combustion vehicles with zero-emission alternatives, such as the Vehicle Exchange Colorado Program
• Effective date is August 12, 2026 (90 days after anticipated legislative adjournment), subject to referendum petition