Miss. Code Ann. § 27-35-93: Miss. Code Ann. § 27-35-93

A person who is dissatisfied with the assessment may, at the August meeting, present objections thereto in writing which shall be filed by the clerk and docketed and preserved with the roll. All persons who fail to file objections shall be concluded by the assessment and precluded from questioning its validity after its final approval by the board of supervisors or by operation of law, except minors and persons non compos mentis.