Mississippi constitution
Article 4
Section 41

No person shall be a member of the House of Representatives who shall not have attained the age of twenty-one (21) years, and who shall not be a qualified elector of the state, and who shall not have been a resident citizen of the state for four (4) years, and within the district such person seeks to serve for two (2) years, immediately preceding his election. The seat of a member of the House of Representatives shall be vacated on his removal from the district from which he was elected.