3. No person may be appointed as a parking enforcement officer unless the person:
a. is a resident of this State during the term of appointment;
b. is able to read, write, and speak the English language proficiently;
c. has the mental capacity and physical ability to perform the tasks of parking enforcement officer;
d. is of good moral character;
e. has not been convicted of any offense involving dishonesty or which would make the person unfit to perform the duties of the office.