N.M. Stat. § 3-29-13
Existing associations.
Associations organized under the provisions of Laws 1947, Chapter 206, Laws
1949, Chapter 79 or Laws 1951, Chapter 52 shall have the same powers and duties as
associations organized under the provisions of the Sanitary Projects Act; provided that
the articles of incorporation shall be amended in accordance with the provisions of
Section 3-29-19 NMSA 1978.