; or (2) address a safety risk in the inspection, operation, maintenance, repair, modernization, or construction of an element of critical infrastructure. (e) Limitation Nothing in this section shall be construed as to interfere with an agreement between a governmental entity and a labor union. (f) Report to Congress Not later than 1 year after the first grant is provided under this section, the Secretary shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report that evaluates the program carried out under this section, including— (1) a description of the number of grants awarded; (2) the amount of each grant; (3) the activities funded under this section; and (4) the effectiveness of such funded activities in meeting the objectives described in subsection (a). (g) Funding (1) Federal share The Federal share of the cost of a project carried out using a grant under this section shall not be less than 80 percent of the total project cost. (2) Authorization of appropriations There are authorized to be appropriated to carry out this section— (A) $50,000,000 for fiscal year 2024