It shall be lawful for the board of county commissioners of any county in the State of Oklahoma, or the board of education or other governing board of any school district in the State of Oklahoma, or the governing board of any other municipal corporation in the State of Oklahoma, which holds or owns any public utility bonds of any incorporated city or town of this state, the assessed valuation of which is less than the face value of the entire issue of said bonds and accrued interest thereon, to accept in writing any plan of readjustment of said indebtedness of such city or town which may be submitted by the governing board thereof under Section 80, of Chapter IX, of the Bankruptcy Laws of the United States of America, as amended in an act entitled “An Act to Establish an Uniform System of Bankruptcy Throughout the United States”, approved July 1, 1898, and acts amendatory thereof and supplementary thereto, approved May 24, 1934,¹ and to accept in full settlement of such indebtedness either in cash or other securities of such incorporated city or town, an amount less than the full amount due on the face of said bonds and/or interest coupons.