—(1)  Where any through passenger on or member of the crew of any vessel, aircraft or train fails to continue his journey in the vessel, aircraft or train in circumstances from which it may reasonably be inferred that the passenger or member of the crew has remained in Singapore, the master of the vessel, aircraft or train, as the case may be, shall notify an immigration officer or a police officer of the failure of the passenger or member of the crew to continue his journey.