Guidance by Source and Subject

The CEQ NEPA regulations state that CEQ may provide further guidance concerning NEPA and its procedures (40 CFR 1506.7). To the extent that CEQ guidance issued prior to May 20, 2022, conflicts with the current CEQ NEPA regulations, the provisions of the regulations apply.

Updated regulations: 40 CFR Parts 1500-1508 (as amended 2022)


  • The “Other” topic includes reports and handbooks on NEPA practice.
  • Guidance documents that have been superseded or are outdated will be available on under a page being developed for “Additional Resources.”

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CEQ Guidance Documents