New mexico constitution
Article VI: judicial department
Section 8

No person shall be qualified to hold the office of justice of the supreme court unless that person is at least thirty-five years old and has been in the actual practice of law for at least ten years preceding that person's assumption of office and has resided in this state for at least three years immediately preceding that person's assumption of office. The actual practice of law shall include a lawyer's service upon the bench of any court of this state. The increased qualifications provided by this 1988 amendment shall not apply to justices and judges serving at the time this amendment passes or elected at the general election in 1988.