Development Grants program under part D, subpart 1 of IDEA to evaluate program performance under such subpart: Provided further , That States may use funds reserved for other State-level activities under sections 611(e)(2) and 619(f) 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 those sections: Provided further , That, notwithstanding section 643(e)(2)(A) of the IDEA, if five 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 five 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 received under part C of the IDEA to make subgrants to local educational agencies, institutions of higher education, other public agencies and private nonprofit organizations to carry out activities authorized by such part. Rehabilitation services For carrying out, to the extent not otherwise provided, the Rehabilitation Act of 1973, the Helen Keller National Center Act, and the Randolph-Sheppard Act, $3,827,500,000, of which $3,667,801,000 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 that remain available subsequent to the reallotment of funds to States pursuant to section 110(b) of the Rehabilitation Act for innovative activities aimed at improving the outcomes of individuals with disabilities as defined in section 7(20)(B) of the Rehabilitation Act, including activities aimed at