An apprentice, as that term is defined in CILA Section 60-13-2 NMSA 1978, may work under the direct supervision of a validly certified journeyman, holding a JP, JG, JPG, or JPF and who also holds an active medical gas certification pursuant to this regulation and who is under the employ of a contractor validly licensed with an MM-1, MM-2, MM-4 or an MM-98. Journeyman certifications shall be issued such that the certificates parallel the mechanical and plumbing license classification numbers and scopes. The ratio of certified journeyman to unregistered apprentices must not exceed:
N.M. Admin. Code § 14.9.5.11