Miss. Code § 5-3-91
There is hereby created the standing joint legislative committee on reapportionment, to be composed of the chairman and vice chairman of the apportionment and elections committee of the house of representatives and the chairman and vice chairman of the elections committee of the senate; ten (10) members of the house of representatives, two (2) from each congressional district, to be appointed by the speaker of the house of representatives; and ten (10) members of the senate, two (2) from each congressional district to be appointed by the lieutenant governor. In the event the congressional districts of the state shall change numerically, then the number appointed from the senate and appointed from the house by congressional districts shall be adjusted accordingly. The members shall serve until the end of the term of office for which such member has been elected.
The lieutenant governor and speaker of the house of representatives shall call an organizational meeting of the committee and the committee shall elect a chairman and such other officers as they deem necessary. A majority vote of the members of each house shall be required on all votes by the committee.
Miss. Code § 5-3-91