A. The county planning and zoning commission may prepare a plan and provide regulations determining the location of infrastructure service area boundaries consistent with the growth area element of the comprehensive plan beyond which the county may limit or prescribe conditions on publicly financed extensions of water, sewer and street improvements. The plan and regulations shall consider all elements of the comprehensive plan, including the circulation and public facilities elements. For the purposes of this subsection, publicly financed does not include special taxing district financing other than municipal or county improvement district revenues or bonds. The regulations shall also include components that:

1. Assign or delegate administrative functions, powers and duties to county officers and employees.

2. Identify the procedure for determining the initial infrastructure service area boundaries.

3. Identify the methodology and procedures for adjusting the infrastructure service area boundaries.

B. Before recommending the plan and regulations, or any part, amendment, extension or addition, to the board of supervisors, the commission shall hold at least one public hearing on the service area boundaries, after giving at least fifteen days’ notice by publication in a newspaper of general circulation in the county seat and in a newspaper of general circulation in the area to be affected, if that area is other than the county seat.

C. The board of supervisors shall adopt any such plan and regulations and amendments by resolution.