; (ii) in subparagraph (E)— (I) by striking and (ii) and inserting (ii) ; and (II) by inserting and (iii) is not a full-time student at an educational institution during any part of such month (in the case of a child who is the child of an individual entitled to disability insurance benefits or of an individual who dies a fully or currently insured individual) before the comma at the end; (iii) in subparagraph (F), by striking clauses (i) and (ii) and inserting the following: (i) in the case of a child who is the child of an individual entitled to old-age insurance benefits— (I) the first month during no part of which the child is a full-time elementary or secondary school student, or (II) the month in which the child attains the age of 19, and (ii) in the case of a child who is the child of an individual entitled to disability insurance benefits or of an individual who dies a fully or currently insured individual— (I) the first month during no part of which the child is a full-time student at an educational institution, or (II) the month in which the child attains the age of 22, ; and (iv) in subparagraph (G), by striking clauses (ii) and (iii) and inserting the following: (ii) in the case of a child who is the child of an individual entitled to old-age insurance benefits— (I) the first month during no part of which the child is a full-time elementary or secondary school student, or (II) the month in which the child attains the age of 19, and (iii) in the case of a child who is the child of an individual entitled to disability insurance benefits or of an individual who dies a fully or currently insured individual— (I) the first month during no part of which the child is a full-time student at an educational institution, or (II) the month in which the child attains the age of 22, ; (B) in paragraph (6)— (i) in subparagraph (A)— (I) by striking or (ii) and inserting (ii)