((a)) ** .—** Notwithstanding the provisions of sections 2102 and 2102A of this title, the Secretary may provide assistance to a veteran whose home was previously adapted with assistance of a grant under this chapter in the event the adapted home which was being used and occupied by the veteran was destroyed or substantially damaged in a natural or other disaster, as determined by the Secretary.

((b)) ** .—** Subject to subsection (c), assistance provided under subsection (a) shall—

((1)) be available to acquire a suitable housing unit with special fixtures or moveable facilities made necessary by the veteran’s disability, and necessary land therefor;

((2)) be available to a veteran to the same extent as if the veteran had not previously received assistance under this chapter; and

((3)) not be deducted from the maximum uses or from the maximum amount of assistance available under this chapter.

((c)) ** .—** The amount of the assistance provided under subsection (a) may not exceed the lesser of—

((1)) the reasonable cost, as determined by the Secretary, of repairing or replacing the damaged or destroyed home in excess of the available insurance coverage on such home; or

((2)) the maximum amount of assistance to which the veteran would have been entitled under sections 2101(a), 2101(b), and 2102A of this title had the veteran not obtained previous assistance under this chapter.