Miss. Code Ann. § 23-15-571: Miss. Code Ann. § 23-15-571

(1) The following persons shall be designated as authorized challengers and shall be allowed to challenge the qualifications of any person offering to vote:

(a) Any candidate whose name is on the ballot in the precinct in which the challenge is made;

(b) Any official poll watcher of a candidate whose name is on the ballot in the precinct in which the challenge is made;

(c) Any official poll watcher of a political party for the precinct in which the challenge is made;

(d) Any qualified elector from the precinct in which the challenge is made; or

(e) Any poll manager or poll worker in the polling place where the person whose qualifications are challenged is offering to vote.

(2) The challenge of any authorized challenger shall be considered and acted upon by the poll managers of the election.

(3) A person offering to vote may be challenged upon the following grounds:

(a) That the voter is not a registered voter in the precinct;

(b) That the voter is not the registered voter under whose name the voter has applied to vote;

(c) That the voter has already voted in the election;

(d) That the voter is not a resident in the precinct where the voter is registered;

(e) That the voter has illegally registered to vote;

(f) That the voter has removed his or her ballot from the polling place; or

(g) That the voter is otherwise disqualified by law.