New Mexico Statutes 7-39-5. Annual report of value
Each tax year the owner of a copper mineral property shall report to the department on the forms and in the manner prescribed by the department the value, for purposes of the Copper Production Ad Valorem Tax Act, of each copper mineral property owned and the taxing jurisdictions in which each property is located. The report shall also contain a declaration of the year in which the owner expects the copper mineral property to be permanently shut down if permanent shutdown is expected within four years. A declaration shall be made in each annual report subsequent to an annual report in which such a declaration is first made for the copper mineral property. The report shall be submitted on or before March 31 of the tax year for which value is being determined. The report required by this subsection may be referred to as the “annual report”.