The evidence of age required by this chapter shall consist of one of the following proofs of age, which shall be required in the order herein designated:
(1) A birth certificate or attested transcript issued by a registrar of vital statistics or other officer charged with the duty of recording births.
(2) A baptismal record or duly certified transcript thereof showing the date of birth and place of baptism of the child.
(3) Other documentary proof of age specified by the Commissioner.
Code 1950, § 40-103; 1970, c. 321.