Section 721.10737 - Carboxylic anhydride, polymer with -hydro-hydroxypoly(oxy-1,2-diethanediyl), compd. with 2,3,4,6,7,8,9,10-octahydropyrimido-[1,2-a] azepine (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as carboxylic anhydride, polymer with -hydro-hydroxypoly(oxy-1,2-diethanediyl), compd. with 2,3,4,6,7,8,9,10-octahydropyrimido-[1,2-a]azepine (PMN P-13-378) 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)Releases to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) (N = 24).(ii) [Reserved](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 (k) 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.