
Vehicle emissions are a significant contributor to air pollution and global warming. To address this, many countries and states have implemented regulations and testing requirements to monitor and control vehicle emissions. In India, for instance, the Pollution Under Control Certificate (PUCC) is a mandatory document for vehicle owners, with testing required every six months. Similarly, the Clean Truck Check program in California utilizes Remote Emission Monitoring Devices (REMD) and Automated License Plate Readers (ALPR) to identify high-emitting vehicles, while Nevada has implemented the Nevada Emission Control Program, which includes waivers for certain emission failures. To ensure compliance with environmental standards and avoid penalties, it is essential for vehicle owners to stay informed about the specific regulations and testing requirements in their region.
| Characteristics | Values |
|---|---|
| Required documents | Registration Certificate, insurance policy, Driving Licence, and Pollution Under Control Certificate (PUCC) |
| Certificate validity | 1 year for new vehicles, 6 months for vehicles over 5 years old |
| Certificate renewal period | Every 6 months |
| Certificate renewal process | Visit a PUC Centre to check emission levels and obtain a new certificate |
| Certificate download | Visit the Parivahan website or use the mParivahan mobile app |
| Certificate check | Enter the vehicle's registration and Chassis Number, security code, and click on "PUC Details" |
| Certificate expiry check | Check on the Parivahan website or through the number plate |
| Emission test requirements | New technologies such as Remote Emission Monitoring Devices (REMD) and Automated License Plate Readers (ALPR) to detect high-emitting vehicles |
| Emission test consequences | Vehicle owners may be subject to penalties, registration holds, and prosecution under safety codes if the vehicle does not pass the test |
| Emission test exemptions | Electric vehicles, vehicles running on propane, compressed natural gas, methane, or butane, and diesel vehicles over 14,001 pounds |
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What You'll Learn

Visit a testing centre to get a Pollution Under Control Certificate (PUC)
To get a Pollution Under Control Certificate (PUC) for your vehicle, you must visit a testing centre. The Pollution Under Control Certificate is a legal document that confirms your vehicle's emission level is within the permissible standards. Here is a step-by-step guide to obtaining a PUC certificate by visiting a testing centre:
Step 1: Locate an Authorised Testing Centre
You can find a list of authorised PUC testing centres on the Parivahan website. Visit the website and click on the PUC Centre List option on the top menu. Then, select your state and office from the dropdown menu to view the list of centres. Alternatively, you can simply drive to the nearest PUC centre in your area. These centres are open on all days, but it is recommended to confirm their working hours and days before visiting.
Step 2: Take Your Vehicle for Testing
Once you have located an authorised PUC testing centre, take your vehicle there for emission testing. It is important to note that you must physically take your vehicle to the centre, as these are emission tests that require the vehicle's presence.
Step 3: Complete the Testing Process
During the testing process, the operator will analyse your vehicle's emission levels and capture an image of your vehicle's registration plate. After the testing is complete, the operator will generate the PUC certificate.
Step 4: Pay the Required Fees and Collect Your Certificate
After the testing and analysis are complete, you will need to pay the required fees to obtain your PUC certificate. The amount of the fee may vary, and you can settle it by using any accepted online payment method. Once you have made the payment, you can collect your physical PUC certificate from the testing centre.
It is important to renew your PUC certificate every six months to ensure your vehicle's emissions are within acceptable limits. Additionally, always carry your valid PUC certificate while driving, as it is mandatory for all vehicles in India, except for electric vehicles.
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Check the PUCC expiry date on the Parivahan website
To check the PUCC expiry date on the Parivahan website, follow these steps:
First, visit the Parivahan section of the website and locate the PUCC option. Here, you will need to enter your vehicle's registration number and chassis number. Once you have entered the required information, you will be prompted to enter a security code. After entering the security code, click on "PUC Details".
If your vehicle's emission test is active, you will be directed to a new page that displays the test readings and the validity period of your PUCC. From here, you can choose to print or download the pollution certificate, which includes information about the expiry date.
It is important to renew your PUCC every 6 months to ensure your vehicle's emissions are within permissible standards. For new vehicles, the dealer will typically provide the PUCC, which is valid for 1 year. After this period, it is the responsibility of the vehicle owner to renew the certificate.
By regularly checking the status of your PUCC and renewing it when necessary, you can avoid potential penalties and fines for not carrying a valid certificate. This also helps you maintain the condition of your vehicle by addressing any emission-related issues promptly.
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Renew the PUCC every 6 months
In India, it is mandatory for all vehicle owners to have a valid Pollution Under Control Certificate (PUCC). The PUCC is a legal document that confirms that your vehicle's emission levels are within the permissible standards set by the government. The certificate is issued by authorised emission testing centres located across the country.
To obtain a PUCC, you must take your vehicle to the nearest testing centre to check its emission levels. After the initial year of purchase, when the dealer provides the PUCC, the certificate must be renewed every 6 months. This is to ensure that your vehicle continues to meet the required environmental standards and can be legally driven on Indian roads.
Renewing the PUCC every 6 months is important for several reasons. Firstly, it helps you avoid any possible penalties for not carrying a valid PUCC. The PUCC is one of the mandatory documents required during car or bike insurance renewal, and insurance companies will not renew the vehicle insurance without a valid PUCC. Secondly, renewing the PUCC regularly helps you maintain the condition of your vehicle by servicing it at regular intervals. If the emission levels are higher than the permissible standards, you can get it checked by a mechanic before the issue becomes a larger problem.
The process of renewing the PUCC is straightforward. You can renew the certificate before its expiry date by visiting an authorised emission testing centre. After the renewal, you will be provided with a new PUCC, which will be valid for the next 6 months. It is advisable to renew the PUCC before it expires to avoid any penalties for driving with an expired certificate. There is a grace period of 7 days for renewal, but it is best to renew on time to stay compliant with the law.
In addition to the offline process, you can also renew the PUCC online by visiting the Parivahan website or using the mParivahan mobile app. Here, you can upload and save vehicle documents such as the Registration Certificate and insurance policy, along with your driving licence. However, it is important to note that you still need to carry a hard or soft copy of the PUCC while driving your vehicle, as it is the only document that needs to be physically carried.
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Get a movement permit if your registration is expired
If your vehicle registration is expired, you may be able to obtain a movement permit to allow you to drive your vehicle. This is sometimes referred to as a "moving permit". This type of permit is typically obtained when a vehicle is recently purchased and does not yet have tags, or if the vehicle's tags are expired but the owner plans to register the vehicle in another state.
In Nevada, you can obtain a movement permit online through a MyDMV account or at a DMV office. You may also visit any AAA location to obtain a movement permit. You will need to present proof of ownership, such as a title or expired registration, and proof of insurance. There may be a fee for the movement permit, and it is important to note that this type of permit is typically only valid for a certain period of time, such as 10 to 60 days from the purchase date of the vehicle.
In California, the DMV may issue a Temporary Operating Permit (TOP) under certain circumstances, such as when all registration fees have been paid but license plates and/or registration stickers have not been issued. A TOP may also be issued if a vehicle fails a smog inspection, with a $50 fee. If it has been longer than 60 days since the vehicle's registration expired and the vehicle is unable to pass a smog inspection, a one-day vehicle moving permit may be obtained instead of a TOP.
It is important to note that requirements and fees for movement permits may vary by state and individual circumstances, so it is recommended to check with your local DMV or relevant government agency for specific information.
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Comply with Clean Truck Check requirements in California
The Clean Truck Check (CTC) program in California is designed to ensure that heavy-duty vehicle emissions control systems operate properly and that necessary repairs are made in a timely manner. The program requires reporting, payment of annual compliance fees, and vehicle emissions testing. Here are the key steps to comply with the Clean Truck Check requirements in California:
Registration and Reporting:
- Registration for the Clean Truck Check program is conducted through the California Air Resources Board's (CARB) online portal, CTC-VIS.
- Vehicles subject to Clean Truck Check must be reported in CTC-VIS before they can operate on California public roads and highways.
- For brand new vehicles, the purchaser must demonstrate compliance within 30 days of purchase, except for the testing requirement.
- If a vehicle is reported more than 30 days after purchase, it will be required to undergo a Clean Truck Check emissions test.
- The reporting window for compliance fees and vehicle information opened in October, and the deadline for submission is December 31 of the same year.
Compliance Fees:
- Annual per-vehicle compliance fees must be paid by the specified deadline, which is usually based on the vehicle's registration expiration date or the last digit of the Vehicle Identification Number (VIN).
- The initial annual compliance fee is $30, but it will adjust annually according to the California Consumer Price Index (CCPI).
- Failure to pay the compliance fee by the deadline can result in penalties, including fines and potential DMV registration blocks.
Emissions Testing:
- Clean Truck Check requires periodic emissions testing for applicable vehicles, with testing deadlines based on the type of vehicle and the year.
- In 2024, there is a single test required per vehicle, with testing deadlines ranging from July 1 to December 31.
- From 2025 onwards, non-agricultural vehicles and non-California registered motorhomes will be subject to semi-annual testing.
- Emissions testing can be completed using various methods, including certified testing facilities, Portable Emission Acquisition Systems (PEAQS), in-house non-continuously-connected OBD scan tools, or continuously connected telematics devices.
- Testing requirements depend on the vehicle's engine and equipment. OBD-equipped vehicles are required to undergo a scan of engine data, while older diesel vehicles may need a smoke opacity test and a visual inspection.
- After successfully passing the tests, vehicles will receive a certificate of compliance and can operate in California.
High Emissions and Non-Compliance:
- CARB uses roadside emissions monitoring devices (REMD) and Automated License Plate Readers (ALPR) to screen for potential high emitters.
- Vehicles flagged as potential high emitters will receive a Notice to Submit to Testing (NST) and must undergo emissions testing within 30 calendar days.
- Non-compliant vehicles may be subject to additional compliance testing, penalties, and registration holds.
- Clean Truck Check does not have an exemption for NOx exempt areas, and vehicles operating in California for a short period can apply for a Five-Day Pass.
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Frequently asked questions
You can check the validity of your Pollution Under Control Certificate (PUCC) on the Parivahan website. Enter your vehicle's registration number and chassis number, followed by the security code, and click on "PUC Details". If your vehicle's emission test is active, a new page will confirm the test readings and validity period.
You can download an active pollution certificate from the Parivahan website or the mParivahan mobile app.
You must renew your PUCC every 6 months. New vehicles are issued a PUCC by the dealer, which is valid for 1 year. After this, the vehicle owner must renew the certificate every 6 months.
If you are found riding a vehicle without a valid PUCC, you may have to pay heavy fines for violating motor laws.


































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