N.M. Code R. § 17.11.3.10
If an EAS inquiry is initiated, the Commission may order that a traffic study be conducted by the affected local exchange company or companies. Traffic study results shall be reported to the Commission in such time frame as the Commission may order. Traffic study data shall be developed from and based upon a three hundred sixty-five day study of representative calling patterns, shall be in such form, detail and content as the Commission may require, and shall include, at a minimum, the following information, except as provided in 17 NMAC 13.3.11.2 [now subsection B of 17.11.3.11 NMAC] of this rule or ordered by the Commission:
E. The number of Foreign Exchange (FX) lines in service and the average calling volumes carried on these lines expressed as calculated messages per month and in CCS units.
[2-28-97; Recompiled 12/31/01]