The Manager shall be appointed solely on the basis of his executive and administrative qualifications, and need not be a resident of the Municipality at the time of his appointment, but shall become a resident of the Municipality within six (6) months after his appointment unless residence outside the Municipality is approved by a majority vote of the members of the Council. No one elected or appointed as a member of Council may be appointed as Manager until two (2) years after such member has terminated his membership on the Council.