September 21, 2023

How Do the House and Senate Appropriation Bills Differ?

Each year, Congress must pass 12 appropriation bills that set levels of funding for various federal agencies and programs. Such funding generally covers the operations of agencies, including salaries and benefits for federal employees, grants to state and local governments, and purchases from the private sector. Appropriations are made for almost all spending on U.S. defense as well as for programs to support education, improve America’s highways, preserve national parks, and much more.

According to federal law, all 12 appropriation bills should be enacted before the start of a new fiscal year, which occurs on October 1. If the deadline is missed and a temporary provision to continue operations is not in place, the federal government will go into a full or partial shutdown (read more about that below). As lawmakers approach this year’s deadline, this piece explains the differences between House and Senate appropriations so far and what happens if all or some of the appropriation bills are not enacted by the start of the new fiscal year.

What Federal Departments and Agencies Are Included in Each Appropriation Bill?

During fiscal year 2023, only about a quarter of all projected spending stems from the 12 appropriation bills that became law in December 2022. The rest (mandatory spending and net interest) is set by permanent law that is not generally revisited during the annual appropriation process.

Annual appropriated funding will only account for about 25 percent of federal spending in 2023


In Congress, the appropriation process begins with the adoption of a budget resolution that sets the top-line spending level (called 302a allocations) for the upcoming fiscal year. The House and Senate Committees on Appropriations then divide that total among their 12 subcommittees (302b allocations). Guided by the 302b allocations, each subcommittee drafts its own appropriation bill. That process occurs in both the House and the Senate.

House and Senate Appropriations Subcommittees create funding bills for various federal departments and agencies

House and Senate Appropriations Subcommittee Federal Departments and/or Agencies within Each Subcommittee’s Jurisdiction
Agriculture Dept. of Agriculture (except Forest Service), Food and Drug Administration
Commerce, Justice, and Science Dept. of Commerce, Dept. of Justice, National Aeronautics and Space Administration, National Science Foundation
Defense Dept. of Defense (except Military Construction)
Energy and Water Dept. of Energy, Corps of Engineers, Bureau of Reclamation
Financial Services Dept. of Treasury, District of Columbia, Executive Office of the President, Judicial Branch
Homeland Security Dept. of Homeland Security
Interior and Environment Dept. of the Interior (except Bureau of Reclamation), Forest Service, Indian Health Service, Environmental Protection Agency
Labor, HHS, and Education Dept. of Labor, Dept. of Health and Human Services (excluding Food and Drug Administration and the Indian Health Service), Dept. of Education, Social Security Administration
Legislative Branch Legislative Branch
Military Construction and VA Military Construction, Dept. of Veterans Affairs
State and Foreign Operations Dept. of State, Agency for International Development
Transportation and HUD Dept. of Transportation, Dept. of Housing and Urban Development

SOURCES: Office of Management and Budget Budget Appendix, Budget of the United States Government, Fiscal Year 2024, , March 2023; and House of Representatives Committee of Appropriations, Subcommittee Jurisdiction, February 2023.
NOTE: Subcommittees also have jurisdiction over some related agencies not shown.

© 2023 Peter G. Peterson Foundation

How Much Are Lawmakers Seeking to Appropriate for Fiscal Year 2024?

Because the House and Senate Committees on Appropriations draft separate versions of the 12 appropriation bills for each fiscal year, there are often funding differences that must be worked out between the two bodies before the bills can be brought to the President for approval. This year is no different. In total, the Senate appropriation bills currently total $140 billion more than the House bills. More than a third of that difference is in the Labor-HHS-Education bill ($55.2 billion). Generally, both chambers have appropriated less this year than levels for fiscal year 2023 because of spending limits enacted in the Fiscal Responsibility Act. The Senate appropriation bills for FY24 total five percent less than the enacted levels for FY23 while the House bills are 13 percent less. However, both chambers have appropriated more in their Defense and Military Construction-VA bills than the prior year. The House has also appropriated more funds in its Homeland Security bill than the prior year, while the Senate has done the same for its Agriculture bill.

Differences between the House and Senate’s twelve appropriation bills for FY 2024 amount to $140 billion

Appropriation Bills (Billions) Enacted FY 2023 House FY 2024 Senate FY 2024 Difference (House from Senate)
Agriculture $25.5 $17.8 $26.0 $(8.2)
Commerce-Justice-Science $83.9 $58.4 $69.5 $(11.1)
Defense $805.5 $826.4 $831.3 $(4.8)
Energy-Water $70.1 $52.4 $56.7 $(4.4)
Financial Services $27.8 $11.5 $17.0 $(5.5)
Homeland Security $82.1 $83.1 $81.6 $1.4
Interior-Environment $55.5 $28.1 $42.7 $(14.6)
Labor-HHS-Education $213.1 $147.0 $202.2 $(55.2)
Legislative Branch $6.9 $5.3 $4.7 $0.6
Military Construction-VA $154.2 $155.7 $154.4 $1.3
State and Foreign Operations $64.2 $41.4 $58.4 $(17.0)
Transportation-HUD $126.1 $65.2 $88.1 $(22.9)
Total $1,714.9 $1,492.2 $1,632.5 $(140.3)

SOURCES: Congressional Research Service, Appropriations Status Table: FY2024, July 2023; d Congressional Budget Office, CBO Estimate for Divisions A through N of H.R. 2617 (as modified by S.A. 6552), the Consolidated Appropriations Act, 2023, December 2022.
NOTE: Table measures the amount of budget authority in each bill or division (including emergency funding). The Commerce-Justice-Science and the Labor-HHS-Education bills have not been reported by the House committee.

© 2023 Peter G. Peterson Foundation

What Happens If Congress and the President Do Not Enact the 12 Appropriation Bills?

If the House, Senate, and the President are not able to come together to enact all 12 appropriation bills for fiscal year 2024, lawmakers could enact a temporary spending bill called a continuing resolution. Continuing resolutions extend appropriations from the previous fiscal year for a specified period, giving lawmakers more time to come to an agreement on spending for the current year.

Periodically, lawmakers are unable to come to any budget agreement and fail to enact some or all of the 12 appropriation bills or a continuing resolution. In such an event, a partial or full government shutdown would occur. A full government shutdown occurs if all 12 appropriation bills are not enacted, whereas a partial government shutdown occurs when only a portion of the bills are not enacted. In that case, only the federal agencies that have not received an appropriation are affected. The most recent government shutdown (from December 2018 to January 2019) was a partial shutdown. Lawmakers must appropriate funds because federal agencies require appropriations from Congress to spend or obligate money under federal law. Historically, government shutdowns have been costly, bad for the economy, and interrupted federal programs and services.


The 12 annual appropriation bills are a key part of the annual budget process that lawmakers must enact to keep the government functioning regularly. Currently, the House and Senate appropriation bills have significant funding disparities that must be resolved. A majority of Americans agree that a government shutdown distracts from the county’s fiscal challenges, and 90 percent of voters want lawmakers to work together to avoid a shutdown. Enacting all 12 appropriation bills on time and through regular order is an important part of responsible, forward-looking policymaking.

Related: Voters Don't Want A Shutdown, They Want Action On The National Debt Instead

Image credit: Photo by Win McNamee/Getty Images


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