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New Mexico Legislative History Quick Guide: Prior Versions of New Mexico Statutes

This LibGuide details how to find New Mexico legislative history documents using various free, subscription, and print resources located at the UNM Law Library.

Navigating Prior Versions of the NMSA

In order to find older versions of statutes, you will need to locate the historical New Mexico statute volume that corresponds with the year of the most recent or prior amendment. For example:

In this statutory section, the most recent version of this statute was adopted in 2011. Therefore, if you want to know what it said prior to 2011, you will need to locate the section as it existed following the 1988 amendment.

The most straightforward way to locate prior versions of New Mexico statutes is through's Historical New Mexico Statutes Annotated 1978. Locating the version of the NMSA prior to 2011 is simply a matter of selecting the 2010 compilation from OneSource's menu. However, it is important to note that OneSource's historical NMSA archive only goes back to 1989.



For statutes updated between 1953 and 1989, the UNM Law Library has compiled materials superseded by amendment.

For example, if a statute was updated in 1979, and you would like to review the statute as it existed prior to the 1979 update, you would retrieve the volume marked "Material superseded by 1979 supplements.":

These volumes are not comprehensive and contain only information that has been changed by new legislation.

For statutes updated between 1953 and 1978, the UNM Law Library carries print editions called the cumulative supplements. As the name suggests, this volume contains all of the amendments and updates published in a given year. In this example, this volume collects the updates added in the 1961 edition of the New Mexico Statutes.

These volumes are organized by section, just like the current versions of the NMSA. They are not comprehensive and contain only new sections or amendments added in a given year.


The UNM Law Library also carries print versions of previous compilations. These compilations include the 1915, 1929, 1941, and 1953 compilations, as well as a handful of cumulative supplements for interim years.

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