Miss. Code § 23-15-375
Local issue elections may be held on the same date as any regular or general election. A local issue election held on the same date as the regular or general election shall be conducted in the same manner as the regular or general election using the same poll workers and the same equipment. A local issue may be placed on the regular or general election ballot pursuant to the provisions of Section 23-15-359. The provisions of this section and Section 23-15-359 with regard to local issue elections shall not be construed to affect any statutory requirements specifying the notice procedure and the necessary percentage of qualified electors voting in such an election which is needed for adoption of the local issue. Whether or not a local issue is adopted or defeated at a local issue election held on the same day as a regular or general election shall be determined in accordance with relevant statutory requirements regarding the necessary percentage of qualified electors who voted in the local issue election, and only those persons voting for or against the issue shall be counted in making that determination. As used in this section "local issue elections" include elections regarding the issuance of bonds, local option elections, elections regarding the levy of additional ad valorem taxes and other similar elections authorized by law that are called to consider issues that affect a single local governmental entity. As used in this section "local issue" means any issue that may be voted on in a local issue election.
Miss. Code § 23-15-375