Westlaw PastStat Locator
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The most advanced way to look back.

PastStat Locator on Westlaw provides instant access to exact historical statutory versions. With the PastStat Locator interface tool, you now have a fast, reliable way to see how a statute existed on a particular date – and see how it has evolved over time.


Which version of a statute was in effect when your client's legal issue arose?

By the time a legal issue reaches you, it's not the current code that matters. It's the law as it stood when your client's offense, transaction, injury or other legal matter took place.

Statutes aren't static. They are continuously amended, revised, overruled, and superseded. Finding the exact text of a statute as it existed on a particular date was an onerous and time-consuming task – until now.


Renumbered statutes? Future effective dates? Not a problem.

PastStat Locator also tracks re-numbered statute sections, so you can see how your statute has changed – and even see what code section took its place.

It works forward too – many statutes and amendments are passed with a future effective date. PastStat Locator will tell you when a statute or amendment is due to take effect. Similarly, it will tell you the date it is due to lapse.


Nine Key Jurisdictions covered.

PastStat Locator will instantly deliver previous versions of statutes in nine key jurisdictions:
Bullet United States Code Annotated®, with versioning coverage back to January 1, 1996
Bullet West's® Annotated California Codes, with versioning coverage back to January 1, 1999
Bullet West's® Florida Statutes Annotated Library, with versioning coverage back to January 1, 2000
Bullet West's® Smith-Hurd® Illinois Compiled Statutes Annotated™ with versioning coverage back to January 1, 2000
Bullet Massachusetts Statutes Annotated, with versioning coverage back to January 1, 2000
Bullet New Jersey Statutes Annotated Library, with versioning coverage back to January 1, 2000
Bullet McKinney's Consolidated Laws of New York Annotated®, with versioning coverage back to January 1, 1999
Bullet Purdon's Pennsylvania Statutes Annotated and Purdon's Pennsylvania Consolidated Statutes Annotated, with versioning coverage back to January 1, 2000
Bullet Vernon's® Texas Statutes and Codes Annotated™, with versioning coverage back to January 1, 2000


Three intuitive ways to start using this powerful tool – right now.

1. From the Westlaw search screen. Search using natural language or Terms and Connectors as you would any Westlaw database. Then simply fill in the "effective date" on the provided template and view a result list of statute versions that match your terms and date.
2. From the Table of Contents. Start at the Table of Contents and type in an "effective date" in the provided template. This powerful search engine will then automatically and dynamically rebuild the entire TOC as it existed on that day.
3. From the code section. Start with your code section and click on "Versions" from the Links tab.
Legislative History
Content on Westlaw
Sometimes words alone aren't enough.
No matter how carefully a statute is worded, its text simply cannot convey all the political nuances, negotiations, revisions and debate that went into its creation.

Legislative history databases on Westlaw fill these critical gaps. They help you interpret the provision's true intent and meaning and provide an essential foundation for your legal argument.
ArrowMore on legislative history content

Statute research has never been easier.
Westlaw StatutesPlus™ makes it easier to find, read, verify and interpret statutes by presenting all relevant information in one place.
ArrowMore on StatutesPlus

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