Section 28-6-1 – Age of majority; eighteen years; exception.
A. Except as provided in Subsection B or otherwise specifically provided by existing law, any person who has reached his eighteenth birthday shall be considered to have reached his majority as provided in Section 12-2-2 NMSA 1978 [repealed] and is an adult for all purposes the same as if he had reached his twenty-first birthday. […]