29 C.F.R. § 570.12 Revoked certificates of age.
Title 29 - Labor
A certificate which has been revoked as proof of age under the Act shall be of no force and effect under the Act after notice of such revocation.
Title 29: Labor
PART 570—CHILD LABOR REGULATIONS, ORDERS AND STATEMENTS OF INTERPRETATION
Subpart B—Certificates of Age
§ 570.12 Revoked certificates of age.