(a) All glazing materials to which this standard applies, as described in Sec. 1201.1, shall meet the impact and environmental test requirements in Sec. 1201.4, and shall be labeled by manufacturers in accordance with Sec. 1201.5.
(b) Glazing materials used in architectural products not listed in Sec. 1201.1(a) are not subject to this part. Any material not listed in the definition of ``glazing material'' in Sec. 1201.2(a)(11) is not subject to this part 1201. [42 FR 1441, Jan. 6, 1977, as amended at 47 FR 27856, June 28, 1982]