North Carolina General Statutes Chapter 14. Criminal Law § 14-32.6. Habitual domestic violence

(a) A person commits the offense of habitual domestic violence if that person commits an offense under G.S. 14-32.5, or commits an assault where the person is related to the victim by one or more of the relationship descriptions set forth in G.S. 14-32.5, and has two or more prior convictions that include either of the following combination of offenses, with the earlier of the two prior convictions occurring no more than 15 years prior to the date of the current violation:

(b) A conviction under this section shall not be used as a prior conviction for any other habitual offense statute.  A person convicted of violating this section is guilty of a Class H felony for the first offense.  Subsequent convictions for violating this section shall each be punished at a level which is one offense class higher than the offense class of the most recent prior conviction under this section, not to exceed a Class C felony.