N.C. Gen. Stat. § 8-58.62: (Article has a contingent effective date - see note) Additional limitations on exercise of privilege or immunity.

An owner or operator of a facility who makes a voluntary disclosure of a violation of environmental laws discovered through performance of an environmental audit shall only be entitled to exercise of the privilege or immunity established by this Article once in a two-year period, not more than twice in a five-year period, and not more than three times in a 10-year period. (2015-286, s. 4.1(a).)