7-3-431. Additional structural suboptions for county and consolidated governments. In county and consolidated local governments, the plan of government submitted to the qualified electors shall further define the structural characteristics of the form by including one item from each of the choices listed in 7-3-432 through 7-3-442. The officers shall have the powers and duties established by ordinance. After the establishment of any office, the commission may consolidate, as provided by law, two or more of the offices.