Section 721.983 - Sulfonyl azide intermediate (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as sulfonyl azide intermediate (PMN P-99-1202 and SNUN S-15-6) 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)Release to water. Requirements as specified in § 721.90(a)(1), (b)(1), and (c)(1) .(ii)Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(f) . It is a significant new use to import, process, or use this chemical substance as a powder unless less than 1% of particles by weight are less than 200 microns.(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), (i), and (k) are applicable to manufacturers, importers, and processors of this chemical substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 68 FR 70174 , Dec. 17, 2003, as amended at 86 FR 30213 , June 7, 2021