Effective May 1, 1989G.S. 87-12 to 87-20; 87-27Plumbing, Heating and Fire Sprinkler Contractors
History Note: Authority G.S. 87‑12 to 87‑20; 87‑27; Eff. February 1, 1976; Readopted Eff. September 29, 1977; Amended Eff. May 1, 1989; RRC Objection December 19, 2002 and rule returned to agency on April 17, 2003.