New Hampshire Tint Law

266:58-a. Tinted Glass.

I. It shall be unlawful to sell or inspect any motor vehicle in this state
which has after market tinting on the windshield or on the windows to the
left and right of the driver.
II. It shall be unlawful to install after market tinting on the windshield
or on the windows to the left and right of the driver on any motor vehicle
which is registered in this state.

III. It shall be unlawful to drive on any way any motor vehicle registered
in this state which has after market tinting on the windshield or on the
windows to the left and right of the driver. Where after market tinting is
applied to windows to the rear of the driver, outside rear view mirrors
shall be required on both the left and right side of the vehicle for the use
of the driver and a front seat passenger. The light transmittance of after
market tinted windows where they are allowed shall not be less than 35
percent.

III-a. Persons who require for medical reasons after market tinting on the
windshield or on the windows to the left and right of the driver may apply
for a special permit pursuant to RSA 266:61-a, IX.

IV. The commissioner shall adopt rules under RSA 541-A relative to the
administration and enforcement of this section.

V. Nothing in this section shall be construed to prohibit after market
tinting of the windshield of a vehicle with a strip not wider than 6 inches
located at the very top of the windshield, provided that the light
transmittance of the strip shall not be less than 35 percent.

VI. Any natural person or any other person who violates the provisions of
this section shall be guilty of a violation.