N.M. Stat. § 30-16-48
Any person who is found within any geographical area of the state designated by regulation of the division as a crude petroleum oil producing area, in possession of crude petroleum oil, sediment, water or brine produced in association with the production of oil or gas or both, which contains crude petroleum oil, and does not, on a reasonable request of any state police officer or other law enforcement officer as defined in Section 29-7-9 NMSA 1978, produce the required documentation for examination and inspection is guilty of a misdemeanor. If the documentation is produced but differs substantially from the load the transporter is carrying, or differs substantially from crude petroleum oil or processed or refined products produced by him from crude petroleum oil, and in his possession or sold by him, it shall be substantial evidence supporting further investigation by such officer or agent of possible theft of crude petroleum oil.
NMS § 30-16-48