Section 721.10168 - Cesium tungsten oxide(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as cesium tungsten oxide (PMN P-08-275; CAS No. 52350-17-1) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.(2) The significant new uses are: (i)Industrial, commercial, and consumer activities. Requirements as specified in § 721.80 (v)(2), (w)(2), and (x)(2) .(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph. (1)Recordkeeping. Recordkeeping requirements as specified in § 721.125 (a), (b), (c), and (i) are applicable to manufacturers, importers, and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.74 FR 47888, Sept. 18, 2009