Agricultural Vehicles & California Motorhomes Annual Compliance Requirements
Overview
The purpose of this guidance is to provide vehicle owners subject to annual testing information on how to comply with Clean Truck Check.
Key highlights from this guidance are:
Vehicles subject to Clean Truck Check were due to report by January 31, 2024 in CTC-VIS and pay the 2023 annual compliance fee if the vehicle operated in California during 2023.Annual compliance fees for each year will be due upon the vehicle’s compliance deadline.
A full overview may be found here. Compliance Requirements Overview | Español | ਪੰਜਾਬੀ
California registered motorhomes, and vehicles that meet the requirements to be designated as agricultural vehicles, are only required to submit to emissions compliance testing once annually.
California registered vehicle compliance deadlines will align with the vehicles’ DMV registration expiration date. Note that this may vary for the 2024 compliance deadline. Refer to Table I for a vehicle’s 2024 compliance deadline month.
Vehicles registered outside of CA and CA Exempt vehicles will have compliance deadlines based on the last digit in the Vehicle Identification Number (VIN). Refer to Table II for details.
In 2024, the compliance demonstration will require the payment of the 2024 annual compliance fee and clearance of any outstanding enforcement violations on the vehicle in question.
Emissions compliance testing requirements are effective starting on October 1, 2024. All compliance deadlines of January 1, 2025 or later will require a passing compliance test to be submitted as part of their compliance demonstration. Vehicles may submit tests no more than 90 days prior to the vehicle’s compliance deadlines. For example, a vehicle with a compliance deadline of February 1, 2025 may submit a passing emissions test as early as November 3, 2024.
Non-compliance may result in DMV registration blocks and other enforcement action.
Vehicles Affected by this Guidance
Nearly all diesel and alternative fuel heavy-duty trucks, buses, and other vehicles with a gross vehicle weight rating over 14,000 pounds that operate in California are subject to the compliance deadlines mentioned above. Affected vehicles include hybrid trucks and buses, commercial vehicles, privately-owned vehicles, government vehicles, and vehicles registered outside of California. For information on vehicles that are exempt from Clean Truck Check, please refer to the Fact Sheet: Compliance Requirements Overview | Español | ਪੰਜਾਬੀ
A. California Registered Vehicles
Compliance deadlines for California registered vehicles are based on their DMV registration expiration dates.
California Motorhomes, and vehicles that meet the requirements to be classified as agricultural vehicles, are subject to annual compliance deadlines only.
Compliance Deadlines may be found in the vehicle’s CTC-VIS account.
Table I: Compliance Deadlines for California Registered Vehicles
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In 2024, vehicles are required to ensure that they have paid their annual 2024 compliance fee and have no outstanding enforcement violations as part of their compliance demonstration.
You may submit Clean Truck Check emissions tests up to 90 calendar days prior to the vehicle's 2025 compliance deadline.
B. Non-California Registered Vehicles and DMV Exempt Plated Vehicles
Non-California registered vehicles include vehicles registered in other states and countries, as well as federal vehicles not registered in any DMV jurisdiction. DMV exempt plated vehicles include California local and state government vehicles exempt from DMV re-registration requirements.
These vehicles’ emissions compliance testing compliance deadline is based on the last number of the vehicle’s vehicle identification number (VIN). To identify when your non-California registered/exempt plated vehicles refer to Table II below. Compliance Deadlines may be found in the vehicle’s CTC-VIS account.
Table II: Compliance Testing Deadlines for Non-California Registered and DMV Exempt Plated Vehicles
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As with CA registered vehicles, non-CA registered vehicles are required to ensure that they have paid their annual 2024 compliance fee and have no outstanding enforcement violations as part of their 2024 compliance demonstration.
You may submit Clean Truck Check emissions tests up to 90 calendar days prior to the vehicle's 2025 compliance deadline.
In the VIN-based compliance schedule, a vehicle’s emissions compliance testing deadline falls on last day of the compliance deadline month shown in Table II.