Training Centers—Procurement, Construction, and Improvements account (70 20/24 0510). (17) $900,000 from the unobligated balances available in the Science and Technology Directorate—Operations and Support account (70 X 0800). (18) $388,522 from the unobligated balances available in the Countering Weapons of Mass Destruction Office—Research and Development account (70 22/24 0860). (19) $11,478 from the unobligated balances available in the Countering Weapons of Mass Destruction Office—Research and Development account (70 X 0860). 554. Of the unobligated balances of amounts made available under section 70001 of Public Law 117–169 , $312,000,000 are hereby rescinded. 555. Of the unobligated balances of amounts made available in the Department of Homeland Security Nonrecurring Expenses Fund (70 X 1914), $3,800,000 are hereby rescinded. Spending Reduction Account 556. The amount by which the applicable allocation of new budget authority made by the Committee on Appropriations of the House of Representatives under section 302(b) of the Congressional Budget Act of 1974 exceeds the amount of proposed new budget authority is $0. 557. None of the funds made available by this Act may be used to pay Secretary Alejandro Nicholas Mayorkas a salary that exceeds $1. 558. None of the funds made available by this Act may be used to pay the salary and expenses of the position of the Secretary of the Department of Homeland Security, occupied by Alejandro Mayorkas. 559. None of the funds made available by this Act may be used to implement, administer, or enforce the rule entitled Public Charge Ground of Inadmissibility published by the Department of Homeland Security in the Federal Register on September 9, 2022 (87 Fed. Reg. 55472). 560. None of the funds made available by this Act may be used to implement a COVID-19 vaccine and mask mandate for travelers passing through the Transportation Security Administration checkpoints. 561. The salary of Ur M. Jaddou, Director of U.S. Citizenship and Immigration Services, shall be reduced to