N.C. Gen. Stat. § 106-568
In the event of the levying and collection of assessments as herein provided, the treasurer of the agency conducting same shall within 30 days after the end of any calendar year in which such assessments are collected, publish through the medium of the press of the State a statement of the amount or amounts so received and collected by him under the provisions of this Article. Before collecting and receiving such assessments, such treasurer shall give a bond in the amount of at least the estimated total of such assessments as will be collected, such bond to have as surety thereon a surety company licensed to do business in the State of North Carolina, and to be in the form and amount approved by the agency conducting such referendum and to be filed with the chairman or executive head of such agency.
N.C. Gen. Stat. § 106-568