Texas Transportation Code - TRANSP § 547.609. Required Label for Sunscreening Devices

(1) is legible;

(2) contains information required by the department on light transmission and luminous reflectance of the device;

(3) if the device is placed on or attached to a windshield or a side or rear window, states that the light transmission of the device is consistent with Section 547.613(b)(1) or (2), as applicable;  and

(4) is permanently installed between the material and the surface to which the material is applied.