Mississippi Code Title 23. Elections § 23-15-597

(1) The county executive committee shall meet no later than one (1) week from the day following each primary election to receive and canvass the returns that must be made within the time fixed by law for returns of general elections and declare the result, and announce the name of the nominees for county and county district offices and the names of those candidates to be submitted to the second primary. The vote for state, state district offices and legislative offices shall be tabulated by precincts and certified to and returned to the State Executive Committee, such returns to be mailed by registered letter or any safe mode of transmission within thirty-six (36) hours after the returns are canvassed and the result ascertained. The State Executive Committee shall meet one (1) week from the day following the first primary election held for state, state district offices and legislative offices, and shall proceed to canvass the returns and to declare the result, and announce the names of those nominated for the different offices in the first primary and the names of those candidates whose names are to be submitted to the second primary election. The State Executive Committee shall also meet one (1) week from the day on which the second primary election was held and receive and canvass the returns for state and district offices, if any, and legislative offices, if any, voted on in the second primary. An exact and full duplicate of all tabulations by precincts as certified under this section shall be filed with the circuit clerk of the county who shall safely preserve the same in his or her office.