Notwithstanding subsection (e)(2)(A) and section
1315
(a) of this title, the Secretary may not approve a waiver, experimental, pilot, or demonstration project that would allow funds made available under this subchapter to be used to provide child health assistance or other health benefits coverage to a nonpregnant childless adult. For purposes of the preceding sentence, a caretaker relative (as such term is defined for purposes of carrying out section
1396u–1 of this title) shall not be considered a childless adult.