The board of commissioners shall initiate any alteration in the structure of the board by adopting a resolution. The resolution shall:
(1) Briefly but completely describe the proposed alterations;
(2) Prescribe the manner of transition from the existing structure to the altered structure;
(3) Define the electoral districts, if any, and apportion the members among the districts;
(4) Call a special referendum on the question of adoption of the alterations. The referendum shall be held and conducted by the county board of elections. The referendum may be held only on a date permitted by G.S. 163-287.
Upon its adoption, the resolution shall be published in full.