N.C. Gen. Stat. § 34-9
Before making an appointment under the provisions of this Chapter the court shall be satisfied that the guardian whose appointment is sought is a fit and proper person to be appointed. Upon the appointment being made the guardian shall execute and file a surety bond to be approved by the court in an amount not less than the sum then due and estimated to become payable during the ensuing year. The said bond shall be in the form and be conditioned as required of guardians appointed under the guardianship laws of this State. The court shall have power from time to time to require the guardian to file an additional bond.
No bond shall be required of the banks and trust companies licensed to do trust business in North Carolina.
N.C. Gen. Stat. § 34-9