Certified copies of birth certificates shall be accepted by public school authorities in this State as prima facie evidence of the age of children registering for school attendance, and no other proof shall be required. In addition, certified copies of birth certificates shall be required by all factory inspectors and employers of youthful labor, as prima facie proof of age, and no other proof shall be required. However, when it is not possible to secure a certified copy of a birth certificate, factory inspectors and employers may accept as secondary proof of age any competent evidence by which the age of persons is usually established. School authorities may accept only competent and verifiable evidence as secondary proof of age, specifically including but not limited to:
N.C. Gen. Stat. § 130A-109