the IDEA to make subgrants to local educational agencies, institutions of higher education, other public agencies, and private non-profit organizations to carry out activities authorized by those sections: Provided further, That, notwithstanding section 643(e)(2)(A) of the IDEA, if 5 or fewer States apply for grants pursuant to section 643(e) of such Act, the Secretary shall provide a grant to each State in an amount equal to the maximum amount described in section 643(e)(2)(B) of such Act: Provided further, That if more than 5 States apply for grants pursuant to section 643(e) of the IDEA, the Secretary shall award funds to those States on the basis of the States' relative populations of infants and toddlers except that no such State shall receive a grant in excess of the amount described in section 643(e)(2)(B) of such Act: Provided further, That States may use funds allotted under section 643(c) of the IDEA to make subgrants to local educational agencies, institutions of higher education, other public agencies, and private non-profit organizations to carry out activities authorized by section 638 of IDEA: Provided further, That, notwithstanding section 638 of the IDEA, a State may use funds it receives under section 633 of the IDEA to offer continued early intervention services to a child who previously received services under part C of the IDEA from age 3 until the beginning of the school year following the child’s third birthday with parental consent and without regard to the procedures in section 635(c) of the IDEA. Rehabilitation Services (INCLUDING TRANSFER OF FUNDS) For carrying out, to the extent not otherwise provided, the Rehabilitation Act of 1973 and the Helen Keller National Center Act, $4,397,033,000, of which $4,253,834,000 shall be for grants for vocational rehabilitation services under title I of the Rehabilitation Act: Provided, That the Secretary may use amounts provided in this Act, and unobligated balances from title III of the Departments of Labor, Health and Human Services, and