* 2017 Enacted reflects the actual amounts, and include many changes that occur after appropriations are enacted that are part of budget execution such as transfers, reestimates, and the rebasing as mandatory any changes in mandatory programs enacted in appropriations bills.
** At the time the 2019 Budget was prepared, 2018 appropriations remained incomplete and the 2018 column reflects at the account level enacted full-year and annualized continuing appropriations provided under the Continuing Appropriations Act, 2018 (Division D of Public Law 115–56, as amended by Division A of Public Laws 115–90 and 115–96). The 2018 levels are further adjusted through policy allowances to illustratively reflect the base and Overseas Contingency Operations totals proposed in the Administration’s amended 2018 Budget request. These allowances appear within the Department of Defense, the Department of Homeland Security, and Government-wide.
*** Funding for Food for Peace Title II Grants is included in the State and Other International Programs total. Although the funds are appropriated to the Department of Agriculture, the funds are administered by the U.S. Agency for International Development.
**** Funding from the Hospital Insurance and Supplementary Medical Insurance trust funds for administrative expenses incurred by the Social Security Administration that support the Medicare program are included in the Health and Human Services total and not in the Social Security Administration total.

Source: Office of Management and Budget