N.C. Gen. Stat. § 58-50-35
No insurance company doing business in this State and issuing health and/or accident insurance policies, other than contracts of group insurance or disability and/or accidental death benefits in connection with policies of life insurance, the premium for which is to be collected in weekly, monthly, or other periodical installments by authority of a payroll deduction order executed by the assured and delivered to such insurance company or the assured's employer authorizing the deduction of such premium installments from the assured's salary or wages, shall, during the period for which such policy is issued, declare forfeited or lapsed any such policy hereafter issued or renewed until and unless a written or printed notice of the failure of the employer to remit said premium or installment thereof stating the amount or portion thereof due on such policy and to whom it must be paid, has been duly addressed and mailed to the person who is insured under such policy at least 15 days before said policy is canceled or lapsed.
N.C. Gen. Stat. § 58-50-35