; and (2) subsection (c) shall not use more than 75 percent of grant funds for personnel expenses. (f) Authorization of appropriations There are authorized to be appropriated to carry out this section $500,000,000 for fiscal years 2021 through 2027, of which— (1) $40,000,000 are authorized to be appropriated to carry out planning grants under subsection (b); and (2) $460,000,000 are authorized to be appropriated to carry out implementation grants under subsection (c). .