Miss. Code § 23-15-895
No candidate for an elective office, or any representative of such candidate, and no proponent or opponent of any constitutional amendment, local issue or other measure printed on the ballot may post or distribute cards, posters or other campaign literature within one hundred fifty (150) feet of any entrance of the building wherein any election is being held. No candidate or a representative named by him or her in writing may appear at any polling place while armed or uniformed, or display any badge or credentials except as may be issued by the manager of the polling place. As used in this section, the term "local issue" shall have the meaning ascribed to such term in Section 23-15-375. This section shall be enforced by election officials and law enforcement officials.
Miss. Code § 23-15-895