N.C. Gen. Stat. § 153A-125
A county may by ordinance regulate, restrict, or prohibit the solicitation of contributions from the public for charitable or eleemosynary purposes, and also the business activities of itinerant merchants, salesmen, promoters, drummers, peddlers, flea market operators and flea market vendors and hawkers. These ordinances may include, but are not limited to, requirements that an application be made and a permit issued, that an investigation be made, that activities be reasonably limited as to time and place, that proper credentials and proof of financial stability be submitted, that not more than a stated percentage of contributions to solicitation campaigns be retained for administrative expenses, and that an adequate bond be posted to protect the public from fraud. A county may charge a fee for a permit issued pursuant to such an ordinance.
N.C. Gen. Stat. § 153A-125