; (B) will result in benefits on both sides of the United States-Mexico border; and (C) address the most urgent public health and environmental needs, as determined by the heads of the Regional offices for Regions 6 and 9 of the Environmental Protection Agency. (e) Terms and conditions The Administrator may set such terms and conditions on assistance provided under this section as the Administrator determines appropriate. (f) Cost share (1) Requirement for certain projects The Federal share of the cost of an eligible project located in Mexico shall be 50 percent. (2) Exemption During the 5-year period beginning on the date of enactment of this section, the Administrator may waive the requirement of paragraph (1) if the Administrator, in consultation with the Secretary of Defense and the Secretary of Homeland Security, finds that the project will reduce negative health effects on Federal law enforcement or Department of Defense personnel. (g) Funding (1) Authorization of appropriations There are authorized to be appropriated to the Administrator to carry out this section $150,000,000 for each of fiscal years 2020 through 2024. (2) Regional allocations The amounts made available to carry out this section shall be made available in equal amounts for use by the Regional offices for Regions 6 and 9 of the Environmental Protection Agency.