National Aeronautics and Space Administration
The National Aeronautics and Space Administration (NASA) is rescinding and repromulgating its regulations related to environmental quality to update the regulations to codify changes to NEPA. NASA has determined there is good cause to promulgate its revised NEPA implementing regulations in the form of an interim final rule in order to avoid confusion related to NASA's administrative process and provide NASA action proponents, non-Federal project sponsors of proposed actions, and the public with the procedural certainty required to efficiently prepare an environmental document under NEPA. Additionally, this interim final rule updates NASA's list of existing categorical exclusions.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. National Aeronautics and Space Administration 14 CFR Part 1216 [NASA Document Number-26-019; NASA Docket Number-NASA-2026-0100] RIN 2700-AE80 ( printed page 39879) AGENCY: National Aeronautics and Space Administration. ACTION: Interim final rule; request for comments. SUMMARY: The National Aeronautics and Space Administration (NASA) is rescinding and repromulgating its regulations related to environmental quality to update the regulations to codify changes to NEPA. NASA has determined there is good cause to promulgate its revised NEPA implementing regulations in the form of an interim final rule in order to avoid confusion related to NASA's administrative process and provide NASA action proponents, non-Federal project sponsors of proposed actions, and the public with the procedural certainty required to efficiently prepare an environmental document under NEPA. Additionally, this interim final rule updates NASA's list of existing categorical exclusions. DATES: This interim final rule is effective August 17, 2026. Comments are due by July 31, 2026. ADDRESSES: You may send comments, identified by NASA-2026-0100 to the Federal e-Rulemaking Portal: http://www.regulations.gov . Follow the instructions for sending comments. If access to the website is not feasible, NASA will receive mailed comments to NASA Rulemaking Comments—NASA-2026-0100, Environmental Management Division, Suite 2X84, 300 E Street SW, Washington, DC 20546. As the security screening process may delay mail se…
Citation: 91 FR 39879
