New Mexico Statutes Chapter 31. Criminal Procedure § 31-18-18. Habitual offenders;  duty of public officers to report

Whenever it becomes known to any warden or prison official or any prison, probation, parole or police officer or other peace officer that any person charged with or convicted of a noncapital felony is or may be a habitual offender, it is his duty to promptly report the facts to the district attorney of the proper district, who shall then file an information.