Regulation 11 Surrender of British Seamen’s Cards
(1)
The holder of a British Seaman’s Card shall surrender it to the Registrar General of Shipping and Seamen or a superintendent—
(a)
forthwith, upon his ceasing to be a British seaman or upon the card being defaced; and
(b)
on demand, after he has ceased to have the right of abode.
(2)
A person who fails to comply with the requirements of this regulation shall be guilty of an offence.