any such central nonprofit agency may not charge a fee under section 51–3.5 of title 41, Code of Federal Regulations, prior to executing a written agreement with the Committee: Provided further , That no less than $1,250,000 shall be available for the Office of Inspector General. Corporation for national and community service Operating expenses For necessary expenses for the Corporation for National and Community Service (referred to in this title as CNCS ) to carry out the Domestic Volunteer Service Act of 1973 (referred to in this title as 1973 Act ) and the National and Community Service Act of 1990 (referred to in this title as 1990 Act ), $767,629,000, notwithstanding sections 198B(b)(3), 198S(g), 501(a)(4)(C), and 501(a)(4)(F) of the 1990 Act: Provided , That of the amounts provided under this heading: (1) up to 1 percent of program grant funds may be used to defray the costs of conducting grant application reviews, including the use of outside peer reviewers and electronic management of the grants cycle