New York Consolidated Laws, General Business Law - GBS § 389-n. Labeling required

(1) 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 New York shall be permanently labeled by such means as etching, sandblasting, firing of ceramic material, hot-die stamping on the safety glazing material, or by other suitable means. The label shall identify the manufacturer, and the nominal thickness and the type of safety glazing material and the fact that said material meets the test requirements of the American National Standards Institute Standard ANSI Z-97.1-1971.

The label must be legible after installation.

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

(3) Permanent labeling of wire glass, laminated glass and rigid plastics shall not be required where the seller or installer of such wire glass furnishes each buyer thereof a certificate stating that such wire glass meets the test requirements of the American National Standards Institute Standard ANSI Z-97.1-1972.