In order to protect and safeguard the security and the rights of the purchasers or holders of revenue debentures, notes, warrants, or other evidences of indebtedness, issued by any consumers power district under this chapter, such district may agree with such purchasers or holders that in the event of default in the payment of interest on, or principal of, any such revenue debentures, notes, warrants, or other evidences of indebtedness, or in the event of default in performance of any duty or obligation of such district in connection therewith, such purchasers or holders, or trustee selected by them, may take possession and control of the business and the property of the district, and proceed to operate the same, and to collect and receive the income thereof, and after paying all necessary and proper operating expenses and all other proper disbursements or liabilities made or incurred, use the surplus, if any there be, of the revenues of the district as follows:
When all legal taxes and charges, and all arrears of interest, and all matured revenue debentures, notes, warrants, or other evidences of indebtedness, have been paid in full, the control of the business and the possession of the property of the district shall then be restored to such district. The privilege herein granted shall be a continuing one as often as the occasion therefor may arise.
SDCL 49-39-9