N.M. Code R. § 3.5.11.10
B. If the returns or reports filed by the taxpayer with all states to which the taxpayer reports under the Uniform Division of Income for Tax Purposes Act or Article IV of the multistate tax compact are not uniform in the valuation of property and in the exclusion or inclusion of property in the property factor, the taxpayer shall disclose in its return to this state the nature and extent of the variance.
[1/15/74, 9/15/88, 9/20/93, 1/15/97; 3.5.11.10 NMAC - Rn, 3 NMAC 5.11.10, 6/29/01]