Custody of work permit, etc
13.
—(1)  A work permit shall not be transferable.
(2)  A foreign worker who is in possession of his work permit shall hand over the work permit to his employer on the last day of his employment with that employer and such employer shall return the work permit to the Controller within 7 days of the date thereof.
(3)  Upon demand by an employment inspector, the work permit of a foreign worker shall be produced for inspection.