A. Each person prior to assuming the office of elected or appointed district commissioner shall take the oath of office prescribed by the Mississippi Code.B. Certification that the oath of office has been administered shall be filed in the Commission office at the beginning of the term of office.C. Any person who has not "qualified" for the office by taking the oath of office to cover the appropriate term of office, shall be ineligible to participate in official actions of the district board and shall be ineligible for reimbursement for travel and related expenses.