Illinois Statutes Chapter 430. Public Safety § 60/3. Labeling required

§ 3. Labeling required. (A) Each light of safety glazing material manufactured, distributed, imported or sold for use in hazardous locations or installed in such a location within the State of Illinois shall be permanently labeled by such means as etching, sandblasting, firing of ceramic material on the safety glazing material or by other suitable means. The label shall indicate the labeler, whether manufacturer, fabricator or installer, the nominal thickness, the type of safety glazing material, the fact that the material meets the test requirements of ANSI Standard Z-97.1-1966 and such further requirements as may be adopted by the Department of Labor.

The label must be legible and visible after installation.

(B) Such safety glazing labeling shall not be used on other than safety glazing materials.