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Regulating (Ab)uses of Omnibus Legislation through Judicial Review – An Empirical Study

Published online by Cambridge University Press:  27 July 2026

Ittai Bar-Siman-Tov*
Affiliation:
Faculty of Law, Bar-Ilan University , Israel
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Abstract

Omnibus legislation – packaging unrelated measures in one long bill, enacted in an expedited process – is becoming a common feature in many legislatures, and recently also in EU lawmaking. While favoured by some for its effectiveness, it is also a matter of intense criticism and seen by critics as anathema to good lawmaking and as antidemocratic. This led scholars in various countries to ask whether courts should intervene and regulate the use of omnibus legislation. In related debates, scholars around the world are debating whether courts should adopt procedural models of judicial review of the legislative process and debating the possible impact of judicial review on legislative behaviour. This article attempts to provide a first empirical answer to these debates, by presenting findings from an extensive, multi-method empirical study on the impact the introduction of procedural judicial regulation on omnibus legislation had on their enactment in Israel. It shows that the introduction of judicial review had manifest, albeit short-term, impact on the scope and size of omnibus laws, but a long-term effect on the quality of their legislative process. It therefore exhibits the potential of procedural judicial review for improving lawmaking.

Information

Type
Articles
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2026. Published by Cambridge University Press
Figure 0

Graph 1. Graph 1 long description.Size & extent of arrangements laws 1995–2014.

Figure 1

Graph 2. Overall use of arrangements laws – ten years comparison.

Figure 2

Graph 3. Procedural splits to committees other than finance arrangements laws 1995–2014.

Figure 3

Graph 4. a) Average number of committee meetings per decade (b) Average extent of committee debate per decade.

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