—(1) Any person who arrives in Singapore or who is about to leave Singapore shall —
fully and truthfully answer all questions and enquiries put to him by an immigration officer or a police officer tending, directly or indirectly, to establish his identity, nationality or occupation or bearing on any of the restrictions contained in this Act or the regulations or any absolute or conditional liability on his part to any military, naval or air force service under any state or country; and
disclose and produce to any such officer on demand all documents in his possession relating to those matters.
(2) All such answers and documents shall be admissible in evidence in any proceedings under this Act against the person making, disclosing or producing the same.
(3) Nothing in this section shall be construed as rendering any such answer inadmissible in any other proceedings in which they would otherwise be admissible.
(4) Any person who —
refuses to answer any question or enquiry put to him under subsection (1);
knowingly gives any false or misleading answer to any such question or enquiry;
refuses or fails to produce any document in his possession when required to do so under subsection (1); or
knowingly produces any false or misleading document,
shall be guilty of an offence and shall be liable on conviction —
in the case of an offence under paragraph (d), to a fine not exceeding $6,000 or to imprisonment for a term not exceeding 2 years or to both.