Miss. Code Ann. § 31-17-51: Miss. Code Ann. § 31-17-51

Surplus funds shall be expended under the provisions of Sections 31-17-45 through 31-17-51 for the purpose only of retiring the bonds issued in the particular taxing district for which said funds were collected. In no event shall bonds issued for any other taxing district be purchased with funds collected for any district other than those collected from the same identical taxing district.