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What is an omnibus bill?

An omnibus bill is a single piece of legislation that combines multiple separate bills, most commonly several or all of the annual appropriations bills, into one package for a single vote, rather than considering and passing each measure individually.

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Core tenets

Combines multiple separate measures
An omnibus bill packages what would otherwise be several distinct bills into a single piece of legislation.
Single vote covering multiple subjects
Members of Congress cast one vote on the combined package, rather than separate votes on each individual component.
Most commonly used for appropriations
While the term can apply to any combined legislation, it is most frequently used to describe combined annual spending bills.

How it works in practice

Omnibus appropriations bills have become common when Congress fails to pass individual spending bills separately before a funding deadline.

Full omnibus
Combines all or nearly all of the annual appropriations bills into a single package.
Minibus
Combines only some, rather than all, of the annual appropriations bills, a partial version of the same combining approach.

What it is often confused with

An omnibus bill is often confused with a continuing resolution; an omnibus combines full-year appropriations bills into final legislation, while a continuing resolution is a temporary extension of existing funding used when full appropriations, omnibus or otherwise, are not yet ready.

Criticisms and debates

Criticism of omnibus bills centers on the reduced opportunity for scrutiny of individual provisions within a very large combined package.

Scrutiny critique

Argues that combining many separate spending bills into one enormous package, often voted on shortly after its text is released, limits the ability of individual members to review and debate specific provisions before voting.

Response: Defenders argue that combining bills is often the only practical way to complete the full annual appropriations process by a funding deadline, given how difficult it can be to pass each bill separately.

All-or-nothing critique

Contends that packaging many measures together forces members to accept provisions they oppose in order to support the overall package, or to vote against the whole package over one disputed provision.

Response: Supporters of the omnibus approach argue this same packaging is what allows broad compromise across many separate spending priorities to be reached at all.

Historical examples

Consolidated Appropriations Act, 2023
A large omnibus package combining the fiscal year 2023 appropriations bills into a single piece of legislation.

Sources

  1. 1.Congressional Budget and Impoundment Control Act of 1974.
  2. 2.Congressional Research Service. Omnibus Appropriations Acts: Overview of Recent Practices.
  3. 3.Encyclopaedia Britannica. Omnibus bill.