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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 721
Subpart D - Subpart D—Expedited Process for Issuing Significant New Use Rules for Selected Chemical Substances and Limitation or Revocation of Selected Significant New Use Rules
§ 721.160 - Notification requirements for new chemical substances subject to section 5(e) orders.
§ 721.170 - Notification requirements for selected new chemical substances that have completed premanufacture review.
§ 721.185 - Limitation or revocation of certain notification requirements.
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