N.M. Code R. § 13.8.2.27
Regardless of whether an insurer is required to file its rates with the superintendent, an insurer shall maintain a copy of its rates and supplementary rate information currently in effect in sufficient detail to produce the premium charged on a policy. This information shall be available for immediate inspection by the superintendent.
[13.8.2.27 NMAC - N, 10-1-07]