Department of Homeland Security 'Office of the Secretary and Executive Management' Budget Overview (Fiscal Year 2018 Congressional Justification) [open pdf - 1MB]
From the Document: "For necessary expenses of the Office of the Secretary of Homeland Security for operations and support, as authorized by section 102 of the Homeland Security Act of 2002 (6 U.S.C. 112), and executive management of the Department of Homeland Security, as authorized by law, [$136,451,000]$130,307,000: 'Provided', That not to exceed $45,000 shall be for official reception and representation expenses.[: 'Provided further', That all official costs associated with the use of government aircraft by Department of Homeland Security personnel to support official travel of the Secretary and the Deputy Secretary shall be paid from amounts made available for the Immediate Office of the Secretary and the Immediate Office of the Deputy Secretary.] 'Note.--A full-year 2017 appropriation for this account was not enacted at the time the budget was prepared; therefore, the budget assumes this account is operating under the Further Continuing Appropriations Act, 2017 (P.L. 114-254). The amounts included for 2017 reflect the annualized level provided by the continuing resolution.'"
U.S. Department of Homeland Security: https://www.dhs.gov/