Singapore legislation
Section 198
Section 198
Unauthorised presence on board ship
Where a ship registered in Singapore or elsewhere is in Singapore and a person who is not authorised by law to do so —
(a)
goes on board the ship without the consent of the master or any other person authorised to give it; or
(b)
remains on board the ship after being requested to leave by the Director, the Port Master, the master or a police officer,the person shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $5,000.