21. Prohibition of employment of children.--No child shall be required or allowed to work in any
capacity in any motor transport undertaking.
22. Adolescents employed as motor transport workers to carry tokens.--No adolescent shall be
required or allowed to work as a motor transport worker in any motor transport undertaking unless--
(a) a certificate of fitness granted with reference to him under section 23 is in the custody of the
employer; and
(b) such adolescent carries with him while he is at work a token giving a reference to such certificate.
23. Certificate of fitness.--(1) A certifying surgeon shall, on the application of any adolescent or his
parent or guardian accompanied by a document signed by the employer or any other person on his behalf
that such person will be employed as a motor transport worker in a motor transport undertaking if certified
to be fit for that work, or on the application of the employer or any other person on his behalf with
reference to any adolescent intending to work, examine such person and ascertain his fitness for work as a
motor transport worker.
(2) A certificate of fitness granted under this section shall be valid for a period of twelve months from
the date thereof, but may be renewed.
(3) Any fee payable for a certificate under this section shall be paid by the employer and shall not be
recoverable from the adolescent, his parent or guardian.
24. Power to require medical examination.--Where an inspector is of opinion that a motor transport
worker working in any motor transport undertaking without a certificate of fitness is an adolescent, the
inspector may serve on the employer a notice requiring that such adolescent motor transport worker shall
be examined by a certifying surgeon and such adolescent motor transport worker shall not, if the inspector
so directs, be employed or permitted to work in any motor transport undertaking until he has been so
examine and has been granted a certificate of fitness under section 23.