N.M. Code R. § 16.10.3.11
Special Examinations: The board may require a qualified applicant who has not been actively and continuously in practice for more than 2 years prior to applying for licensure, license renewal, or re-instatement, and who has previously passed a board-approved examination, also to successfully complete a special examination, such as the SPEX (Special Purpose Examination), the PLAS (Post-Licensure Assessment System) of the Federation of State Medical Boards (FSMB), or specialty re-certification examination (American Board of Medical Specialties) as a requirement for such licensure. To successfully complete the SPEX, the applicant must obtain a minimum score of 75.
[16.10.3.11 NMAC - Rp 16 NMAC 10.2.9.3, 4/18/2002]