N.M. Admin. Code § 17.12.760.6
17.12.760 NMAC is intended to promote safe and adequate service to the public, to provide standards for uniform and reasonable practices by water utilities under the jurisdiction of the public regulation commission, and to establish a basis for determining the reasonableness of such demands as may be made by the public upon such water utilities. If unreasonable hardship to such a water utility or to a customer of such a water utility results from the application of any provision herein prescribed, application may be made to the commission for the modification of the provision or for temporary or permanent exemption from its requirements. The public regulation commission is not precluded from altering or amending 17.12.760 NMAC or from making such modifications with respect to its application as may be found necessary to meet exceptional conditions. These regulations shall not relieve any water utility operating within the state of new mexico subject to the jurisdiction of the public regulation commission from its duties under the laws of this state.
N.M. Admin. Code § 17.12.760.6