Tint Exemptions for CDL and Long-Haul Drivers in Montana

Montana’s vast stretches of highway mean many CDL and long-haul drivers spend long hours in the sun. For some, the legal tint limits on vehicle windows are not enough protection. If you have a medical condition made worse by sunlight, Montana law gives you a way to get a window tint exemption. This guide covers what CDL and long-haul drivers need to know about qualifying for a medical tint exemption, the conditions that apply, and how the process unfolds from start to finish.

Montana Window Tint Laws: What CDL Drivers Face

Before digging into exemptions, know the basics of Montana’s tint laws for commercial vehicles. The law sets these limits:

• Front side windows: 24% visible light transmission (VLT)
• Back side windows: 14% VLT
• Rear window: 14% VLT
• Windshield: Non-reflective tint only above the AS-1 line

CDL drivers pulled over for illegal tint can face a $250 fine. Even with a legitimate medical need, you’ll need proper documentation for any tint darker than these limits. Montana does allow medical exemptions if your health requires more protection from UV or sunlight exposure.

Who Qualifies for a Medical Tint Exemption in Montana?

Montana’s tint exemption isn’t just for private vehicle owners. CDL and long-haul drivers can qualify if they have a diagnosed medical condition that makes sunlight or UV exposure a real risk. Here are some conditions commonly approved for tint exemptions:

• Photophobia (light sensitivity)
• Migraines
• Lupus
• Albinism
• Porphyria
• Solar urticaria
• Erythropoietic protoporphyria
• Cataracts
• Macular degeneration
• Melanoma
• Other sun-sensitive skin and eye conditions

For a full list, see all qualifying conditions. The key is documentation from a licensed physician stating your diagnosis and the medical need for tint darker than Montana’s legal limit.

How the Medical Tint Exemption Process Works

Getting a medical exemption in Montana is straightforward if you follow the steps. Here’s how CDL and long-haul drivers typically handle it:

1. Book a Telemedicine Consultation: Schedule an appointment with a licensed physician. This can be done remotely, so you do not have to leave your route. Start with Check if you qualify / book your exemption.
2. Medical Evaluation: During the consultation, explain your symptoms and provide any supporting medical records. The doctor will assess your condition and determine if you meet Montana’s exemption standards.
3. Get Documentation: If approved, you will receive a signed letter or certificate stating your diagnosis and medical need for a tint exemption. This paperwork is what law enforcement will want to see if you are pulled over.
4. Install Legal Tint: After receiving your exemption, have your tint installed. Make sure it matches the specifics recommended by your physician.
5. Keep Documentation in Your Vehicle: Always keep your exemption paperwork in your commercial truck or vehicle. If you are stopped, you must show it to avoid being cited for illegal tint.

The entire process, including the physician evaluation and signed paperwork, is handled for a one-time $250 fee. If you do not qualify after your consultation, your money is refunded.

How Long Does the Exemption Last?

The duration of a Montana tint exemption depends on your doctor’s recommendation. Some conditions may require only a year of special tint, while others may be indefinite. The exemption paperwork will state how long it is valid. If your condition is long-term or permanent, discuss with your physician how to word the exemption for the maximum period allowed.

What Documentation Will You Receive?

Your exemption documentation will be signed by a Montana-licensed physician. It will include:

• Your name and identifying information
• Your specific medical diagnosis
• The physician’s recommendation for window tint darker than the standard legal limit
• The recommended duration of the exemption

This is the paperwork you must keep in your vehicle. If you are stopped, present it to law enforcement to prove you are legally exempt from the regular window tint laws. Missing or outdated paperwork could still mean a $250 fine, so keep it handy and up to date.

Common Medical Conditions for Tint Exemption

Several medical conditions make sun exposure dangerous for CDL and long-haul drivers. Some of the most common include:

• Photophobia: Extreme sensitivity to light, causing pain or vision problems.
• Lupus: Autoimmune disease that can cause severe skin reactions and flare-ups when exposed to UV light.
• Migraines: Bright light can trigger or worsen migraine headaches.
• Porphyria: Group of disorders that make skin highly sensitive to sunlight.
• Albinism: Lack of pigmentation makes the skin and eyes much more vulnerable to UV damage.

If you suffer from one of these or a similar sun-sensitive condition, you may qualify. Visit Frequently asked questions for details about documentation and specific cases.

What Montana CDL Drivers Should Know on the Road

Long-haul drivers in Montana face strong UV exposure due to long hours spent driving across open terrain. Having the right tint is not just about comfort. For some, it is a medical necessity. Here are a few tips:

• Always keep your exemption paperwork in the cab. If you switch trucks, move the paperwork with you.
• If you are stopped in another state, check their tint exemption reciprocity rules. Not every state recognizes Montana’s medical exemption paperwork.
• Keep your tint installation receipt with you, especially if it shows compliance with your doctor’s orders.
• If your medical condition changes or your paperwork is expiring, schedule a new consultation before you renew your tint.

Montana does not limit the number of times you can apply for or renew an exemption, as long as a doctor confirms your ongoing need.

How to Get Started

If you are a CDL or long-haul driver in Montana and think you may qualify for a tint exemption, the first step is booking a remote consultation. Visit Check if you qualify / book your exemption to start the process. The service is one-time, $250, and covers everything from evaluation to documentation. If you do not qualify, you get your money back. For full details on what conditions qualify, see all qualifying conditions, or read more about the process at About Montana Tint Exemption or Blog.