All conveyances of property under the authority of Section 37-7-455 shall be for a cash consideration. The proceeds of such sale shall be placed in the maintenance fund of the school district. However, if any sale embraces realty, and the school district selling same owes outstanding bonds or notes, then in that event the proceeds of such sale shall be placed to the credit of the bond and interest sinking fund of such school district, or used to construct, renovate or purchase, under provisions elsewhere provided by law, similar type property or property of comparable value at attendance centers to be used for the same or other reasonably necessary purposes.Codes, 1942, § 6328-44; Laws, 1953, Ex Sess, ch. 28, § 4; Laws, 1964, ch. 392; Laws, 1973, ch. 311, § 1, eff. 3/2/1973.