and services as may be necessary, and shall provide necessary maintenance services for those offices and the equipment and facilities located in those offices. (c) Authorization of appropriations There are authorized to be appropriated such sums as are necessary to carry out this title, to remain available until expended. 205. Definition of frontline community (a) In general The Board of Advisors shall establish a definition of frontline community for purposes of this Act. (b) Requirements The definition under subsection (a) shall include, at a minimum— (1) a community or population that has experienced systemic socioeconomic disparities, environmental injustice, or another form of injustice, including— (A) a low-income community