; to (ii) the number of months during the period beginning on the date the individual attains age 22 and ending on the first day of such individual's first month of eligibility for old-age insurance benefits under section 202(a) (or, if earlier, the month of such individual's death). . (c) Conforming amendments (1) Subsections (e)(2)(B)(i)(I) and (f)(2)(B)(i)(I) of section 202 of the Social Security Act are each amended by inserting or section 215(a)(2)(B)(iii) after section 215(a)(1)(B)(i) and (ii) . (2) Section 203(a)(10) of such Act is amended— (A) in subparagraph (A)(i), by striking 215(a)(2)(B)(i) and inserting 215(a)(3)(B)(i) ; (B) in subparagraph (A)(ii), by striking 215(a)(2)(C) and inserting 215(a)(3)(C) ; and (C) in subparagraph (B)(ii), by striking 215(a)(2) and inserting 215(a)(3) . (3) Section 209(k)(1) of such Act is amended by inserting 215(a)(2)(B), 215(a)(2)(C), after 215(a)(1)(D), . (4) Section 215(a) of such Act is amended— (A) in paragraph (4)(A), as redesignated by subsection (a)(2), by striking paragraph (4) and inserting paragraph (5) ; (B) in paragraph (4)(B), as redesignated by subsection (a)(2), by striking paragraph (2)(A) and inserting paragraph (3)(A) ; (C) in paragraph (5), as redesignated by subsection (a)(2), by striking paragraph (3)(A) and inserting paragraph (4)(A) ; (D) in paragraph (6)(A), as redesignated by subsection (a)(2), by striking paragraph (4)(B) and inserting paragraph (5)(B) ; and (E) in paragraph (8)(B)(ii)(I), as redesignated by subsection (a)(2), by striking paragraph (3)(B) and inserting paragraph (4)(B) . (5) Section 215(d)(3) of such Act is amended— (A) by striking paragraph (4)(B)(ii) and inserting paragraph (5)(B)(ii) ; and (B) by striking subsection (a)(7)(C) and inserting subsection (a)(8)(C) . (6) Subsection 215(f) of such Act is amended— (A) in paragraph (2)(B), by striking subsection (a)(4)(B) and inserting subsection (a)(5)(B)