Mississippi Code Title 37. Education § 37-9-49

It shall be unlawful for the superintendent of schools to deduct or permit to be deducted from the salary of any superintendent, principal or licensed employee any dues, fines or penalties payable or alleged to be payable because of the membership of such superintendent, principal or licensed employee in any organization or association. However, dues or premiums in health associations or corporations and tax sheltered annuity deductions authorized by the United States Internal Revenue Code may be deducted upon written authorization from the superintendent, principal or licensed employee involved. Any superintendent of schools who shall make any such deduction or permit any such deduction to be made, except those herein provided, shall be guilty of a misdemeanor and upon conviction shall be punished by a fine of not more than Twenty-five Dollars ($25.00) for each such deduction.