Notwithstanding any of the provisions of this chapter except section
1715c of this title, and without regard to limitations upon eligibility contained in any section of this subchapter or subchapter IX–B of this chapter, other than the limitation in section
1709
(g) of this title, the Secretary is authorized, upon application by the mortgagee, to insure under any section of this subchapter or subchapter IX–B of this chapter a mortgage executed in connection with the repair, rehabilitation, construction, or purchase of property located in an older, declining urban area in which the conditions are such that one or more of the eligibility requirements applicable to the section or subchapter under which insurance is sought could not be met if the Secretary finds that