Section 721.11265 - Aromatic dianhydride, polymer with aromatic diamine and heteroatom bridged aromatic diamine, reaction products with aromatic anhydride (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as aromatic dianhydride, polymer with aromatic diamine and heteroatom bridged aromatic diamine, reaction products with aromatic anhydride (PMN P-19-4) 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. It is a significant new use to manufacture, process or use of the substance in any manner that results in inhalation exposures.(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b). (1)Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (c) and (i) are applicable to manufacturers and processors of this substance.(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 85 FR 22592 , Apr. 23, 2020