of Personnel Management for such salaries and expenses: Provided further , That of the amounts provided under this heading for the election monitoring program, $3,390,000 shall remain available until expended. In addition, for reimbursement of expenses of the Department of Justice associated with processing cases under the National Childhood Vaccine Injury Act of 1986, $31,738,000, to be appropriated from the Vaccine Injury Compensation Trust Fund and to remain available until expended. SALARIES AND EXPENSES, ANTITRUST DIVISION For expenses necessary for the enforcement of antitrust and kindred laws, $192,776,000, to remain available until expended, of which not to exceed $5,000 shall be available for official reception and representation expenses: Provided, That notwithstanding any other provision of law, not to exceed $192,776,000 of offsetting collections derived from fees collected for premerger notification filings under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 ( 15 U.S.C. 18a ), regardless of the year of collection, shall be retained and used for necessary expenses in this appropriation, and shall remain available until expended: Provided further, That the sum herein appropriated from the general fund shall be reduced as such offsetting collections are received during fiscal year 2024, so as to result in a final fiscal year 2024 appropriation from the general fund estimated at $0. SALARIES AND EXPENSES, UNITED STATES ATTORNEYS For necessary expenses of the Offices of the United States Attorneys, including inter-governmental and cooperative agreements, $2,312,000,000: Provided, That of the total amount appropriated, not to exceed $19,600 shall be available for official reception and representation expenses: Provided further, That not to exceed $40,000,000 shall remain available until expended: Provided further, That each United States Attorney shall establish or participate in a task force on human trafficking. UNITED STATES TRUSTEE SYSTEM FUND For necessary expenses of the United States