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Md. Code, Transp. § 22-406 · checked 2026-10-16 against 2 official sources

How to get a window tint medical exemption in Maryland

Maryland grants an exemption from its tint limits on a qualifying medical certification. The paperwork is Physician's Written Certification for Window Tint (form 23-04B), handled by Maryland State Police, Automotive Safety Enforcement Division. No fee is published.

WhatMaryland
Form23-04B — Physician's Written Certification for Window Tint
Who certifiesA physician licensed to practise in Maryland, signing under penalties of perjury; An optometrist licensed to practise in Maryland, signing under penalties of perjury.
FeeNone published
Valid forTwo years, under Transportation Article 22-406(i)(4)(ii) — unless the certifier marks the necessity permanent, which the form provides for
Keep in vehicleYes
What it coversThe regulated windows — driver and passenger side, rear side and rear — may go below the 35% light transmittance requirement. The windshield stays limited to the AS-1 line, or five inches from the top.
Submit toMaryland State Police, Automotive Safety Enforcement Division

The steps

  1. 1

    Check who it covers: the exemption is for the registered owner or co-owner of a Maryland-registered vehicle. It is personal and non-transferable.

  2. 2

    Have a Maryland-licensed physician or optometrist complete their portion of form 23-04B. They sign under penalties of perjury that the information is true and accurate, certifying that the extra tinting is a medical necessity.

  3. 3

    If the condition is permanent, have the certifier mark it so on the form — otherwise the exemption runs no longer than two years.

  4. 4

    Submit the certification to the Maryland State Police Automotive Safety Enforcement Division.

  5. 5

    Keep the approved exemption in the vehicle at all times for an officer to review if you are stopped.

Frequently asked questions

How do I get a window tint medical exemption in Maryland?

Check who it covers: the exemption is for the registered owner or co-owner of a Maryland-registered vehicle. It is personal and non-transferable. Have a Maryland-licensed physician or optometrist complete their portion of form 23-04B. They sign under penalties of perjury that the information is true and accurate, certifying that the extra tinting is a medical necessity. If the condition is permanent, have the certifier mark it so on the form — otherwise the exemption runs no longer than two years. Submit the certification to the Maryland State Police Automotive Safety Enforcement Division. Keep the approved exemption in the vehicle at all times for an officer to review if you are stopped.

What form do I need for a tint exemption in Maryland?

Physician's Written Certification for Window Tint, form 23-04B, from Maryland State Police, Automotive Safety Enforcement Division.

Who can sign a tint exemption in Maryland?

A physician licensed to practise in Maryland, signing under penalties of perjury; An optometrist licensed to practise in Maryland, signing under penalties of perjury.

What medical conditions qualify for tint in Maryland?

Maryland does not publish a list of named conditions. The test is whether a qualifying provider certifies that you require shielding from the sun.

How long does a Maryland tint exemption last?

Two years, under Transportation Article 22-406(i)(4)(ii) — unless the certifier marks the necessity permanent, which the form provides for. Keep it in the vehicle.

Does the exemption let me tint the windshield in Maryland?

The regulated windows — driver and passenger side, rear side and rear — may go below the 35% light transmittance requirement. The windshield stays limited to the AS-1 line, or five inches from the top.

Sources

Reference only, not legal or medical advice. Forms and fees change — confirm against the official source above before you file, and get the form from the agency rather than a third-party form site.