51.—(1) Any immigration officer or any other officer generally or specially authorised in writing in that behalf by the Controller, and any officer of the Singapore Customs acting under the instructions of such immigration officer, and any police officer may without a warrant and with or without assistance —
(a)
enter and search any premises; and
(b)
stop and search any vehicle, train, vessel or person, or search any aircraft, whether in a public place or not,
if he or she has reason to believe that any evidence of the commission of an offence under this Act or the regulations is likely to be found on the premises or person or in the vehicle, vessel, aircraft or train, and may seize any evidence so found.
[6/2018]
(2) A woman must not be searched under this section except by a woman.
(3) Any police officer, immigration officer or customs officer may arrest without warrant any person whom the officer reasonably believes has committed an offence under this Act or the regulations.
(4) Where any person is arrested by an immigration officer or customs officer under subsection (3), the immigration officer or customs officer must comply with sections 67 and 68 of the Criminal Procedure Code 2010 as if he or she were a police officer.