and establish a Significantly Impacted Federal Community Economic Adjustment Program to assist substantially and seriously affected communities, businesses, and workers from the effects of major federally owned, in part or whole, energy infrastructure closures taking place on Federal lands. (b) Substantially and seriously affected communities, businesses, and workers For the purposes of this title, substantially and seriously affected communities, businesses, and workers includes communities, businesses, and persons located or residing, as the case may be, not more than 100 miles from an electric generating facility, owned in part by the Department, or a coal mine associated with such a facility, one or both of which has closed. 402. Functions of program The Significantly Impacted Federal Community Economic Adjustment Program shall— (1) identify problems of counties, regions, metropolitan areas, Tribal governments or communities that result from major federally owned, in part or whole, energy infrastructure closures taking place on Federal lands. and that require Federal assistance