Mississippi Code Title 25. Public Officers and Employees; Public Records § 25-3-38

The salary for appointive and/or employed officials established herein shall be the total and complete salary, and it shall be unlawful for any additional funds to be paid from any source, including federal or private funds, to supplement salaries to a level in excess of that established herein. If any public officer or employee shall knowingly and wilfully violate the provisions of this section, he shall be guilty of a misdemeanor, and upon conviction shall be punished by a fine of not more than Two Hundred Fifty Dollars ($250.00), and in addition, shall vacate the office or position which he holds.