N.M. Code R. § 6.64.18.8
B. After June 30, 2012, teachers seeking to add an endorsement in teaching gifted students to an existing New Mexico teaching license of any level shall meet the requirements of Paragraphs (1) - (2) of Subsection B of 6.64.18.8 NMAC:
(1) pass a PED approved teacher licensure test or an accepted comparable licensure test(s) from another state in teaching gifted students; and
(2) successfully complete at least twelve (12) credit hours, the pedagogy and methodology of teaching gifted students at a regionally accredited college or university.
[6.64.18.8 NMAC - N, 01-29-10]