11. If it appears to the Director

{a) that the holder of a discharge book was not entitled to apply for it ·

at the time it was issued to him; or

that the person having possession of a discharge book is not the holder thereof, the person, including the holder, having possession of a discharge book shall, on demand made by the Director, surrender it to him.

Any person who fails to comply with the requirements of this regulation shall be guilty of an offence and liable on conviction to a fine not exceeding $200.