Section 316.2955 - Window sunscreening material; compliance labeling; tolerances(1) Each installer or seller of sunscreening material shall provide a pressure-sensitive, self-destructive, nonremovable, vinyl-type film label to the purchaser stating that the material complies with the provisions of ss. 316.2951 - 316.2954. Each such installer shall affix the required label to the inside left door jamb of the motor vehicle. In addition, the label shall state the trade name of the material and the installer's or seller's business name. Labeling is not required for factory glazing which complies with Federal Motor Vehicle Safety Standard No. 205.(2) Every percentage measurement required by ss. 316.2951 - 316.2954 is subject to a tolerance of plus or minus 3 percent.(3) The department shall adopt rules approving light transmittance measuring devices for use in making measurements required by ss. 316.2951 - 316.2954. A witness otherwise qualified to testify shall be competent to give testimony regarding the percentage of light transmission when the testimony is derived from the use of an approved device. The reading from an approved device is presumed accurate and shall be admissible into evidence in the trial of any infraction arising under ss. 316.2951 - 316.2954.s. 1, ch. 84-296; s.24, ch. 94-306.