When traveling on official business, each district attorney and assistant district attorney is entitled to reimbursement for his or her subsistence expenses to the same extent as State employees generally. When traveling on official business outside his or her county of residence, each district attorney and assistant district attorney is entitled to reimbursement for travel expenses to the same extent as State employees generally. For purposes of this subsection, the term "official business" does not include regular, daily commuting between a person's home and the district attorney's office. Travel distances, for purposes of reimbursement for mileage, shall be determined according to the travel policy of the Administrative Office of the Courts.
N.C. Gen. Stat. § 7A-65