New Mexico Statutes 7-38-33. Department of finance and administration to set tax rates
A. No later than September 1 of each year, the secretary of finance and administration shall by written order set the property tax rates for the governmental units sharing in the tax in accordance with the Property Tax Code and the budget of each as approved by the department of finance and administration.
B. A copy of the property tax rate-setting order shall be sent to each board of county commissioners, each county assessor and the department within five days of the date the order is made.
C. Net taxable values from the immediately preceding tax year may be used by the department of finance and administration for the purpose of estimating current tax year revenue in connection with setting tax rates when final net taxable values for the current tax year are incomplete or indefinite due to pending protests.
D. When a rate is set for a governmental unit that is imposing a newly authorized rate pursuant to Section 7-37-7 N.M. Stat. Ann. or a newly authorized or a reauthorized rate after an election in which the imposition of the tax was approved by the voters of the unit, the rate shall be at a level that will produce in the first year of imposition revenue no greater than that which would have been produced if the valuation of property subject to the imposition had been the valuation in the tax year in which the increased rate pursuant to Section 7-37-7 N.M. Stat. Ann. was authorized by the taxing district or the year in which the voters approved the imposition.