(1) Each person elected to an office named in 7-4-2203 holds the office for the term of 4 years and until a successor is elected and qualified.
(2) A person appointed to any of the different offices serves at the pleasure of the commissioners.
(3) Each officer who is mentioned in this part and who is elected to office shall:
(a) take the oath of office on or before the last business day of December following the officer's election; and
(b) take office at 12:01 a.m. on January 1 following the officer's election.