Amends GS 143-138(e), which sets out exceptions to the North Carolina State Building Code. Allows any political subdivision of the State to adopt an energy conservation code. Adds that the Building Code Council must approve local modification or replacement for the State Energy Conservation Code if it finds the local modification or replacement is at least as stringent. Deems a submission approved if the Council fails to act on the submission of a local modification or replacement within six months. Makes organizational changes. Makes additional clarifying and technical changes.