Miss. Code Ann. § 75-17-103

Unless otherwise provided by law, revenue bonds issued by the State of Mississippi or a county, municipality or political subdivision thereof and described in Sections 17-17-115 , 19-5-183 , 19-29-33 , 21-27-45 , 21-27-71 , 21-27-179 , 29-3-169 , 37-101-91 , 37-101-93 , 41-13-21 , 43-33-25 , 43-33-537 , 43-35-21 , 49-17-105 , 51-35-331 , 57-7-3 , 57-31-9 , 59-7-417 , 59-7-505 , 59-9-41 , 61-3-41 , 61-5-17 , 65-13-37 , 69-5-15 , 77-5-27 and 77-5-739, Mississippi Code of 1972 , shall not bear a greater overall maximum interest rate to maturity than thirteen percent (13%) per annum.