N.M. Code R. § 17.10.2.14
A dealer shall keep for at least ninety (90) days and provide public access to, its current charges for service, including the current price of propane and pricing categories used to establish customer rate variations. This information shall be available to customers and potential customers upon request. The dealer shall make this information available in writing to new customers before an agreement is entered to commence propane service and to existing customers with the next propane delivery after the effective date of this rule. A dealer is not required to disclose prices under special agreements.
[17.10.2.14 NMAC - N, 12-15-10]