Section 11-50-11
Provision in mortgages or deeds of trust as to disposition of revenues, etc., from plants, rates, and charges, etc.
Such mortgages or deeds of trust hereby authorized may provide that during the ownership of the plant or system by the municipality, its control of the service of the system or systems shall not be diminished or interfered with by the grant of any other franchise for the operation of any other plant or system for similar purposes and that such rates and charges shall be established and maintained sufficient to meet the costs of operation and maintenance; and such cities or towns may pledge all of the receipts, earnings, and revenues from the operation of any and all of such plants for the payments of the debts, bonds, or other evidences secured by such mortgages or deeds of trust.
(Acts 1921, Ex. Sess., No. 8, p. 6; Code 1923, §2009; Code 1940, T. 37, §370.)