Section 3-31-6 - Revenue bonds; mandatory rates for utility, joint utility or revenue-producing project; mandamus; impairment of paymentA. The governing body of any municipality issuing utility revenue bonds, joint utility revenue bonds or project revenue bonds as authorized in Sections3-31-1 through 3-31-7 NMSA 1978 shall establish rates for services rendered by the municipal utility, joint utility or the applicable revenue-producing project to provide revenue sufficient to meet the following requirements or, where applicable to a revenue-producing project, to enter into such leases or other agreements sufficient to provide revenues which are sufficient to meet the following requirements: (1) pay all reasonable expenses of operation; (2) pay all interest on the revenue bonds as it comes due; and (3) provide a sinking fund adequate to discharge the revenue bonds as they mature. Such rates shall remain in effect until the bond issue is liquidated. B. In the event the governing body fails or refuses to establish rates for the utility, joint utility or the applicable revenue-producing project, or to enter into a lease or other agreement where applicable to a revenue-producing project, as required in this section, any bondholder may apply to the district court for a mandatory order requiring the governing body to establish rates or to enter into such applicable leases or agreements which will provide revenues adequate to meet the requirements of this section. The provisions of Section 3-23-6 NMSA 1978 shall apply to any rates or charges which may be imposed for services rendered by any applicable revenue-producing project. C. Any law which authorizes the pledge of any or all of the pledged revenues to the payment of any revenue bonds issued pursuant to Sections3-31-1 through 3-31-12 NMSA 1978 or which affects the pledged revenues, or any law supplemental thereto or otherwise appertaining thereto, shall not be repealed or amended or otherwise directly or indirectly modified in such a manner as to impair adversely any such outstanding revenue bonds, unless such outstanding revenue bonds have been discharged in full or provision has been fully made therefor. 1953 Comp., § 14-30-6, enacted by Laws 1965, ch. 300; 1967, ch. 244, § 3; 1972, ch. 81, § 5.