Section 10

Any person who enters or attempts to enter or is reasonably suspected of having entered Brunei Darussalam in contravention of this Act may be arrested without warrant by any immigration officer, police officer or officer of customs.

In any case relating to the commission of an offence against this

Act or the Passports Regulations, an immigration officer shall have all the powers of a police officer under the Criminal Procedure Code (Chapter 7) in relation to an investigation into a seizable offence.