N.C. Gen. Stat. § 153A-233
A county may establish, organize, equip, support, and maintain a fire department; may prescribe the duties of the fire department; may provide financial assistance to nonprofit volunteer fire departments; may contract for fire-fighting or prevention services with one or more counties, cities or other units of local government, nonprofit volunteer fire departments, or with an agency of the State government; and may for these purposes appropriate funds not otherwise limited as to use by law. A county shall ensure that any county, city or other unit of local government, or nonprofit volunteer fire department with whom the county contracts for fire-fighting or prevention services shall obtain a criminal history record check for an applicant prior to offering that applicant a paid or volunteer position providing fire-fighting or prevention services. The criminal history record check shall be conducted and evaluated as provided in G.S. 143B-1209.23.The county may also designate fire districts or parts of existing districts and prescribe the boundaries thereof for insurance grading purposes.
N.C. Gen. Stat. § 153A-233