Mississippi Code Title 23. Elections § 23-15-315

The county executive committee chairman shall publish a copy of his call for a meeting in some newspaper published at least once per week in the municipality affected for three (3) weeks preceding the date set for the mass convention, or if there be no newspaper published in the municipality, then in some newspaper having general circulation in the municipality and by posting notices continuously in three (3) public places in the municipality, one (1) of which shall be city hall or be the regular location where the municipal governing authority meets to conduct business not less than three (3) weeks before the date for the mass convention.