Miss. Code § 77-5-111
Upon receipt of the certified copies of the resolutions and/or petitions mentioned in the preceding sections, each such board of supervisors shall without delay call an election in each election unit of such county proposed to be included in the district, for the purpose of determining whether the proposed district shall be created, and shall give notice of such election. Such notice shall state the name of the proposed district and describe its boundaries, and shall state the time when such election shall be held and the location of the polling places. The same shall be published at least once a week for at least three (3) consecutive weeks before the date of said election in some newspaper or newspapers having a general circulation within the proposed district. In case the proposed power district includes election units located in two (2) or more counties, then the board of supervisors of the county in which the largest portion of the territory of the proposed power district is located shall fix the date of such election.
Miss. Code § 77-5-111