N.M. Stat. Ann. § 14-5-4
Upon determining that a particular public record is not in the hands of the official custodian of such record and upon forming a reasonable belief that those records or copies of them are in the possession of a private party or parties, the public officer shall send a postage prepaid, certified letter, return receipt requested, to the party believed to be in possession of the records or copies of them, making demand for the production of the record if he has it and if he does not have it, any copy of the record. The letter shall:
History: 1953 Comp., § 71-8-4, enacted by Laws 1973, ch. 270, § 4.