In what scenarios will FTA allow a sole source procurement on the basis of “public exigency” or “emergency” under the common grant rule at 49 C.F.R. § 18.36(d)(4)(i)(b)?

FTA only allows a sole source procurement on the basis of “public exigency” or “emergency” during a national or regional emergency or disaster and during the days and weeks immediately following a national or regional emergency or disaster.