Changed circumstances
Changed circumstances means changes in circumstances affecting a species or geographic area covered by a conservation plan or agreement that can reasonably be anticipated by plan or agreement developers and the Service and that can be planned for (e.g., the listing of new species, or a fire or other natural catastrophic event in areas prone to such events).
Source
50 CFR § 17.3
Scoping language
In addition to the definitions contained in part 10 of this subchapter, and unless the context otherwise requires, in this part 17: