N.M. Stat. § 6-17-11
All money borrowed and bonds and other evidences of indebtedness issued under this act [6-17-1 to 6-17-13 NMSA 1978, except 6-17-1.1 NMSA 1978] shall be equally and ratably secured, without priority, by a lien on said net income in accordance with the terms of this act. In the event that such county, independent rural, union high and municipal board or the board of regents of any such institution issue any bonds or other evidences of indebtedness under the provisions of this act, they shall thereafter operate the buildings, facilities or improvements named in the resolution authorizing the issuance of said bonds or other evidences of indebtedness from which the income is to be used for the repayment of said bonds in a manner so as to ensure the prompt payment of the principal and interest of such indebtedness as the same becomes due. The said boards are hereby empowered to make such contracts, rules and regulations and to take such action as may be necessary to ensure the prompt payment of the principal and interest of all such bonds and indebtedness and properly to carry out the provisions of this act.
NMS § 6-17-11