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.