; in all, $28,440. Contingent Expenses of the Senate Inquiries and Investigations For expenses of inquiries and investigations ordered by the Senate, or conducted under paragraph 1 of rule XXVI of the Standing Rules of the Senate, section 112 of the Supplemental Appropriations and Rescission Act, 1980 (Public Law 96–304), and Senate Resolution 281, 96th Congress, agreed to March 11, 1980, $133,265,000, of which $26,650,000 shall remain available until September 30, 2021. U.S. Senate Caucus on International Narcotics Control For expenses of the United States Senate Caucus on International Narcotics Control, $508,000. Secretary of the Senate For expenses of the Office of the Secretary of the Senate, $10,036,000 of which $6,436,000 shall remain available until September 30, 2023 and of which $3,600,000 shall remain available until expended. Sergeant at Arms and Doorkeeper of the Senate For expenses of the Office of the Sergeant at Arms and Doorkeeper of the Senate, $126,595,000, which shall remain available until September 30, 2023. Miscellaneous Items For miscellaneous items, $20,870,849 which shall remain available until September 30, 2021. Senators' Official Personnel and Office Expense Account For Senators' Official Personnel and Office Expense Account, $429,000,000 of which $20,128,950 shall remain available until September 30, 2021 and of which $5,000,000 shall be allocated solely for the purpose of providing financial compensation to Senate interns. Official Mail Costs For expenses necessary for official mail costs of the Senate, $300,000. Administrative Provisions Requiring Amounts Remaining in Senators' Official Personnel and Office Expense Account to Be Used for Deficit Reduction or to Reduce the Federal Debt 101. Notwithstanding any other provision of law, any amounts appropriated under this Act under the heading Senate under the heading Contingent Expenses of the Senate under the heading Senators' Official Personnel and Office Expense Account shall be available for obligation only during the fiscal year