How to File a Notice of Commencement (NOC)
A new chemical is eligible for addition to the Toxic Substances Control Act (TSCA) Inventory after the PMN review period has expired and the PMN submitter has commenced non-exempt commercial manufacture. The submitter of a PMN must provide a Notice of Commencement of Manufacture or Import (EPA Form 7710-56) to EPA within 30 days of the date the substance is first manufactured or imported for nonexempt commercial purposes. It will then be listed on the Inventory. Once a substance is listed on the TSCA (Toxic Substances Control Act) Inventory, it is considered an "existing" chemical.
Excess R&D substance may be used or sold after expiration of the PMN review period without submission of an NOC; the material will not be placed on the Inventory until NOC is received, however. NOC may not be submitted for use of such material before initiation of manufacture for non-R&D purposes.
Use of Form 7710-56 became compulsory for NOCs filed after the effective
date of the amended regulations published March 29, 1995. (60
IMPORTANT NOTICE regarding submission of a Notice of Commencement of Manufacture or Import Form
Notice of Commencement of Manufacture or Import Form (191 Kb PDF)
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