N.C. Gen. Stat. § 143-140.1
The Building Code Council shall, by January 1, 2023, promulgate rules, procedures, and policies for the approval of alternative designs and construction that follow the North Carolina State Building Code. The Residential Code Council shall, by January 1, 2026, promulgate rules, procedures, and policies for the approval of alternative designs and construction that follow the North Carolina State Building Code. In the event of a dispute between a local authority having jurisdiction and the designer or owner-representative regarding alternative designs and construction, and notwithstanding any other section within this Article, appeals by the designer or owner-representative on matters pertaining to alternative design construction or methods shall be heard by the Engineering and Building Codes Division of the Department of Insurance. The Engineering and Building Codes Division shall issue its decision regarding an appeal filed under this section within 10 business days. The State Fire Marshal shall adopt rules in furtherance of this section.
N.C. Gen. Stat. § 143-140.1