45 C.F.R. § 641.22
This part shall not apply to actions taken in cases of emergency relating to the safety of human life or of ships, aircraft or equipment and facilities of high value, or the protection of the environment which require an action to be taken without completion of the environmental review required by this part. Notice of any such actions which would otherwise have required the preparation of a CEE shall be provided immediately to the Department of State for circulation to all Parties to the Protocol and to committees and organizations established pursuant to the Treaty or Protocol, as required. A description of the emergency action undertaken shall also be provided to the Department of State for appropriate circulation within ninety days of the action.
45 C.F.R. § 641.22