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Requirements for Vehicles Subject to Semi-Annual Compliance
- Vehicles subject to Clean Truck Check must be reported in CTC-VIS and compliant before they may operate on California public roads and highways. 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
- Compliance deadlines for all vehicles may be found in the tables below. Vehicles subject to semi-annual testing will be required to demonstrate compliance every six months.
- Compliance demonstration will require the payment of the annual compliance fee and the clearance of any outstanding enforcement violations for the vehicle in question.
- Emissions compliance testing requirements were effective starting on October 1, 2024. All compliance deadlines starting on January 1, 2025 and later will require a passing compliance test to be submitted as part of their compliance demonstration. Emissions compliance testing must be performed by a CARB credentialed tester and passing tests may be submitted by the tester up to 90 days prior to the vehicle’s compliance deadline to allow time for any necessary repairs.
- For example, a vehicle with a compliance deadline of February 1, 2025 may submit a passing emissions compliance test as early as November 3, 2024.
- Non-compliance may result in DMV registration blocks and other enforcement action.
A. California Registered VehiclesCompliance deadlines for California registered vehicles are based on their DMV registration expiration dates and every six months thereafter. This applies to any vehicles historically registered with CA DMV even if they are now registered outside of California. Compliance Deadlines may be found in the vehicle’s CTC-VIS account, and these due dates are what are used to calculate your compliance status.
- Motor homes not for recreational use or emergency occupancy (e.g. commercial use motor homes) must follow these compliance requirements.
- For California Motor homes (including recreational and emergency use motor homes) and Agricultural vehicles please refer to the following guidance Agricultural vehicles, California Motorhomes Annual Clean Truck Check Requirements
Vehicles are required to ensure that they have paid their annual compliance fee and have no outstanding enforcement violations as part of their compliance demonstration.
While you do not have a 2024 deadline for your emissions test, you may submit Clean Truck Check emissions tests up to 90 calendar days prior to the vehicle's compliance deadline.
B. Non-California Registered Vehicles and DMV Exempt Plated VehiclesThe following vehicles’ compliance deadlines are based on the last number of the vehicle’s Vehicle Identification Number (VIN).
Please refer to Table II below. These vehicles will have reoccurring compliance deadlines every six months.
Compliance Deadlines may be found in the vehicle’s CTC-VIS account, and these due dates are what are used to calculate your compliance status.
While you do not have a 2024 deadline for your emissions test, you may submit Clean Truck Check emissions tests up to 90 calendar days prior to the vehicle's compliance deadline.
B. Non-California Registered Vehicles and DMV Exempt Plated VehiclesThe following vehicles’ compliance deadlines are based on the last number of the vehicle’s Vehicle Identification Number (VIN).
Please refer to Table II below. These vehicles will have reoccurring compliance deadlines every six months.
Compliance Deadlines may be found in the vehicle’s CTC-VIS account, and these due dates are what are used to calculate your compliance status.
- Non-California registered vehicles
- NOT including vehicles historically registered with CA DMV (see Table I)
- DMV exempt plated vehicle- state and local government vehicles
- Federal government vehicles
As with CA registered vehicles, non-CA registered vehicles are required to ensure that they have paid their annual compliance fee and have no outstanding enforcement violations as part of their compliance demonstration.
While you do not have a 2024 deadline for your emissions test, you may submit Clean Truck Check emissions tests up to 90 calendar days prior to the vehicle's compliance deadline.
In the VIN-based compliance schedule, a vehicle’s compliance testing deadline falls on last day of the compliance deadline month shown in table above.
While you do not have a 2024 deadline for your emissions test, you may submit Clean Truck Check emissions tests up to 90 calendar days prior to the vehicle's compliance deadline.
In the VIN-based compliance schedule, a vehicle’s compliance testing deadline falls on last day of the compliance deadline month shown in table above.