; and (B) the grant under this section to each such zone available on the first day of the first fiscal year that begins after the date of designation of the zone. (4) Oversight of grants The air pollution control district or other local government entity authorized to regulate air quality in an area designated as an air and health safety empowerment zone under section 5(a) shall oversee the use of any grant funds provided to the zone under this section. (b) Use of grants Each air and health safety empowerment zone that receives a grant under this section shall use the grant solely— (1) to carry out activities that achieve the purposes described in section 2; (2) in accordance with the strategic plan for the zone; and (3) for activities that benefit the residents of the zone for which the grant is made through improved air quality and health. (c) Authorization of appropriations There is authorized to be appropriated to the Administrator to provide grants under this section $20,000,000 for each of fiscal years 2019 through 2023.