N.C. Gen. Stat. § 58-73-30

Upon presentation to the person authorized by law to take, accept and file official bonds, of any bond duly executed in the penal sum required by law by the officer chosen to any such office, as principal, and by any surety company, as security thereto, whose insurance or guaranty is accepted as security upon the bonds of United States bonded officials (such insurance company having complied with the insurance laws of the State of North Carolina), or by any other good and sufficient security thereto, such bond shall be received and accepted as sufficient, and the principal thereon shall be inducted into office.