Summary of Law(s) and Regulation(s):
Use of intoxicant or controlled substance; willful neglect; willful disobedience of statutory duty, safety regulation or rule
N.C. Gen. Stat. § 97-12 (1993)
http://www.ncga.state.nc.us/EnactedLegislation/Statutes/HTML/BySection/Chapter_97/GS_97-12.html