We may require a State and a Federal Program Agency to make the affected Federal assistance programs subject to subpart A of this part, consistent with Federal assistance program purposes and regulations, notwithstanding any other provision of this part, if:
(a) A State demonstrates an unwillingness or inability to comply with this subpart B; or
(b) A Federal Program Agency demonstrates an unwillingness or inability to make Federal funds available to a State as needed to carry out a Federal assistance program. Subpart C [Reserved]