| T1.1 | |||
| T1.2 Federal Administrative and Executive Materials | Headings with administrative agencies all remain the same. Specific information within those headings was not analyzed due to volume. | ||
| T1.3 States and the District of Columbia | Generally, this comparative table covers only a selection of states. More states may be posted in the future when the editor of this guide has more time! | ||
| T1.3 Alaska | Link to legislature's website updated. Otherwise, no changes | ||
| T1.3 California | No changes | ||
| T1.3 District of Columbia | Reporters list with volume ranges removed | The previous edition listed a number of older named reporters and provided the volume number range for each name. The new edition removes that range and keeps only example citations. | |
| T1.3 Idaho | No changes | ||
| T1.3 Montana | Link to legislature's website updated. Otherwise, no changes. | ||
| T1.3 New York | Very minor edits to the year ranges for the 19th century courts of both equity and law in New York. |
NY Court for the Correction of Errors (N.Y.) and Supreme Court of Judicature (N.Y. Sup. Ct.). 21st edition: "highest state courts of law before 1846" 22nd edition: "highest state courts of law before 1847"
Court of Chancery (N.Y. Ch.) 21st edition: "highest state court of equity before 1848" 22nd edition: "highest state court of equity before 1847" |
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| T1.3 Oregon | No substantive changes | ||
| T1.3 Utah | No substantive changes | ||
| T1.3 Washington | No substantive changes | ||
| T1.4 American Samoa | Change to the URL at the top of the rule |
21st edition: http://new.asbar.org 22nd edition: https://asbar.org/legal-resources |
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| T1.4 American Samoa | New abbreviation for American Samoa as a jurisdiction |
21st edition: Am. Samoa 22nd edition: Am. Sam. |
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| T1.4 American Samoa |
New abbreviations for American Samoa Reports |
21st edition: "(Am. Samoa): Cite to Am. Samoa, Am. Samoa 2d, or Am. Samoa 3d" 22nd edition: "(Am. Sam.): Cite to A.S.R., A.S.R.2d, or A.S.R.3d"
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| T1.4 American Samoa | New abbreviations for American Samoa Code Annotated |
21st edition: "Am. Samoa Code Ann." 22nd edition: "Am. Sam. Code Ann." |
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| T1.4 American Samoa | New abbreviations for American Samoa Administrative Code |
21st edition: "Am. Samoa Admin. Code" 22nd edition: "Am. Sam. Admin. Code" |
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| T1.4 Canal Zone | No changes | ||
| T1.4 Guam | Change to the URL at the top of the rule |
21st edition: http://guamsupremecourt.com 22nd edition: http://www.guamcourts.org |
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| T1.4 Navajo Nation | Removed from 22nd edition T1.4. | Subsumed into T1.5 | |
| T1.4 Northern Mariana Islands | Change to the URL at the top of the rule |
21st edition: http://www.cnmilaw.org 22nd edition: https://www.nmijudiciary.gov |
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| T1.4 Oklahoma Native Americans | Removed from 22nd edition T1.4. | Subsumed into T1.5 | |
| T1.4 Puerto Rico | No changes | ||
| T1.4 Virgin Islands | Change to the URL at the top of the rule |
21st edition: https://www.visupremecourt.org/ (print only) 22nd edition: https://www.vicourts.org |
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| T1.4 Virgin Islands | New public domain citation format |
21st edition: [nothing] 22nd edition: (see page 328 for explanation) |
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| T1.4 Virgin Islands | New and more accurate explanation of Virgin Island judicial structure as well as where decisions from its courts can be found. |
21st edition: "All courts: Cite to V.I." 22nd edition: "Supreme Court (V.I.) and Superior Court (V.I. Super. Ct.), before 2004 the Territorial Court and before 1976 the Municipal Court: Cite to V.I." "District Court of the Virgin Islands, Trial and Appellate Divisions (D.V.I. and D.V.I. App. Div.): Cite to F. Supp., F. Supp. 2d, or F. Supp. 3d, if therein." |
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| T1.5 Tribal Nations | New Table in the 22nd edition |
21st edition: only the Navajo Nation and the Oklahoma Native Americans were listed as "Other U.S. Jurisdictions" in T1.4. 22nd edition: Creates a new table exclusively for Tribal Nations, which is available on The Bluebook's website for free here. |
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| Catholic Church | Slight name change |
21st edition: T2.7 Catholic Church 22nd edition: T2.7 Catholic Church (Holy See) |
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| Czechia | Update of country name |
21st edition: T2.11 Czech Republic 22nd edition: T2.11 Czechia |
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| Malaysia | Added | added to 22nd edition as T2.27 | |
| Sri Lanka | Added | added to 22nd edition as T2.41 | |
| Türkiye, Republic of | Added | added to 22nd edition as T2.45 |
| T3 Intergovernmental Organizations (throughout) | Examples in multiple IGO subsections (e.g., T3.1, T3.7) now have more Xs representing document numbers, reflecting an increase in the number of official IGO documents that exist in 2025. |
21st edition: each of the types of documents listed has formatting formula that ends with "xx", representing the document's number 22nd edition: Now "xxx", adding a third X
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| T4.1 Official U.S. [Treaty] Sources | U.S. Treaties in Force added as the preferred source to cite to for U.S. international agreements. | Matches the change in R21.4.5. For commentary on this change, take a look at Brooklyn Law School Library's Treaty Research Guide here. | |
| T4.2 Intergovernmental Treaty Sources | Change to the order of preferred sources of intergovernmental treaty sources. |
Source order in 21st edition:
Source order in the 22nd edition:
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| T4.3 Unofficial Treaty Sources | Addition of indigenous peoples treaties sources and change to the order or preferred sources of unofficial treaties. |
Sources and source order in 21st edition:
Sources and source order in 22nd edition:
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| T5 Arbitral Reporters | No changes |
| T7 Court Names | Removed abbreviation for the Court of Common Pleas | ||
| T7 Court Names | New court added: Foreign Intelligence Surveillance Court ("F.I.S.C.") | ||
| T7 Court Names | New court added: Foreign Intelligence Surveillance Court of Review ("F.I.S.C.R.") |
| T8 Explanatory Phrases | Removed "denying cert to," in 22nd edition | ||
| T8 Explanatory Phrases | Added "mandate held," in 22nd edition | ||
| T8 Explanatory Phrases | Removed "rev'd per curiam," in 22nd edition | ||
| T8 Explanatory Phrases | Added "rev'd summarily," in 22nd edition |
| T10.1 U.S. States, Cities, and Territories: States | No changes | ||
| T10.1 U.S. States, Cities, and Territories: Cities |
9 new cities:
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Uninvited commentary from the person who made this table (Alena): Seattle is the country's 18th most populous city, over Nashville, Denver, Las Vegas, and some other cities already on the list. Portland is the 28th, over Atlanta and a bunch of other cities listed as well. Why does The Bluebook hate the Pacific Northwest?? | |
| T10.1 U.S. States, Cities, and Territories: Cities | Removed District of Columbia, moved to 10.1 Territories | ||
| T10.1 U.S. States, Cities, and Territories: Cities | Changed the abbreviation for Houston (was "Hous." and is now "Hou.") | ||
| T10.1 U.S. States, Cities, and Territories: Territories | Added District of Columbia (moved from "Cities"): "D.C." (same abbreviation) | ||
| T10.1 U.S. States, Cities, and Territories: Territories | Removed Guam (likely because it is not, and never has been, abbreviated) |
| T10.2 |
Heading Change: 21st edition: T10.2 Australian States and Canadian Provinces and Territories 22nd edition: T10.2 Australian Cities and States; Canadian Cities, Provinces, and Territories; and U.K. Cities and Constituent Countries |
Expansion of the focus of this Table | |
| T10.2 Australia |
Australia is amended to add the following cities (bold) to the list of provinces already listed here in the 21st edition.
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| T10.2 Canada |
Canada is amended to add the following cities (bold) to the list of provinces and territories already listed here in the 21st edition:
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Again, where's the love for the Pacific Northwest? Vancouver is Canada's third most populous city, well ahead of Edmonton, Calgary, AND Ottawa! | |
| T10.2 United Kingdom | New jurisdiction added to 10.2. See text of the 22nd edition for list and all abbreviations. |
| T10.3 Countries and Regions |
NEW Countries added
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| T10.3 Countries and Regions |
Major Edit: Countries or regions that are not abbreviated (ostensibly, but never stated explicitly in the 22nd edition) because their names have been removed from the list as it existed in the 21st edition. Many are shorter country or region names and all were listed in T10.3 (21st ed.) with no abbreviation. Remember, "any countries, territories, provinces, or cities omitted from T10.2 or T10.3 should not be abbreviated, except according to the rules otherwise laid out in table T6." Removed geographic terms that were previously listed in T10.3 with no abbreviation convention:
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Countries or regions with updated names AND abbreviation conventions from the abbreviation in the 21st edition 21st ed. → 22nd ed.:
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Countries with updated names in 22nd edition (all abbreviations have remained consistent) 21st ed. → 22nd ed.:
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Countries previously NOT abbreviated in the 21st edition that are now abbreviated in the 22nd edition: 21st ed. → 22nd ed.:
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"Sept." in 21st edition is now "Sep." in the 22nd edition.