This document provides instructions relevant to 2020 reporting, including changes to the 2016 Instructions resulting from the CDR Revisions and Small Manufacturing Definition Rules. It provides detailed information and examples to assist manufacturers (including importers) in reporting under the CDR rule. See a summary of changes to reporting for 2020.

Please note that reporting period has been extended and is now June 1 to January 29, 2021.

Read about the CDR Revisions Final Rule.

• Instructions for Reporting 2020 TSCA Chemical Data Reporting (PDF)(140 pp, 4 MB, November, 2020)