That should the City of Burkburnett hereafter acquire by purchase, condemnation or otherwise, any public service utility, as it is empowered to do under section 18 of this Article, then the receipts and revenues from such utility shall constitute a separate and sacred fund, and which shall be used for no other purposes than to pay the purchase price, and the extension, improvement, operation, maintenance, repair and betterment of such utility; provided, however, the governing body of the city may pledge such receipts and revenues for the purpose of acquiring such utility and making any of such improvements, and the payment of the principal and providing an Interest and Sinking Fund for any bonds issued for said purpose.
(Adopted May 8, 1923)