Candidates for council members shall possess the following qualifications:
A. Be an elector of the state of Oklahoma in accordance with the statutory requirements now existing or as may be hereinafter enacted;
B. Have attained the age of twenty-five (25) years at the time of becoming a candidate;
C. Be a resident and registered voter of the city of Purcell for a period of one (1) year prior to his election.
If during his term of office, a council member shall cease to be a resident or registered voter of the city of Purcell or shall be convicted of a felony or any type of crime involving moral turpitude, his office shall immediately become vacant.