—(1) The Minister may from time to time by order in writing forbid, except in accordance with the written permission of the Commissioner of Police or any police officer not below the rank of superintendent of police authorised in writing in that behalf by the Commissioner of Police first obtained —
the pupils, students, teachers or members;
any class of pupils, students, teachers or members; or
any named pupil, student, teacher or member,
of any school, college, educational institution or students’ union or association, as the case may be, specified in the order and situated or established outside Singapore to enter into or travel within Singapore as a group, or as one of a group of 5 or more such pupils, students, teachers or members, or, for the purpose of effecting as one of a group of such persons some common object within Singapore, otherwise to enter into or travel therein.
(2) The Commissioner of Police or any police officer authorised in writing by him in accordance with subsection (1) may grant permission under subsection (1) subject to such conditions (if any) as he may think fit to impose, and he may further require as a condition precedent thereto that a pupil, student, teacher or member to whom he proposes to grant such permission or the parent of a pupil, student or member or such other person as he, the Commissioner of Police, or such authorised police officer thinks satisfactory, shall furnish such security by bond or otherwise as the Commissioner of Police or such authorised police officer may think sufficient to secure the due observance and fulfilment of the conditions imposed.
(3) Where the Commissioner of Police has reason to believe —
that any person —
is a pupil, student, teacher or member affected by an order made under subsection (1);
has entered Singapore from a place outside and has not since the date of such entry continuously remained in Singapore for a period exceeding 3 months;
is not the holder of a valid identity card issued to him in Singapore in accordance with the provisions of any written law for the time being in force relating to identity cards and which bears an address within Singapore; and
has contravened or intends to contravene the provisions of any such order; or
the Commissioner of Police may by order in writing —
direct that such person be required to leave Singapore within such time as may be specified in the order and thereafter remain out of Singapore for a period of 6 months from the date of the service of the order upon him, or for such lesser period as the Commissioner of Police may specify; or
direct that such person be taken into custody and, as speedily as may be, conducted across the frontier, and that person may lawfully be detained for so long as may be necessary for his removal to take effect; and such person so removed shall remain out of Singapore for a period of 6 months from the date of his removal.
(4) Any person who contravenes or fails to obey any order made under this section or who commits a breach of any conditions imposed under subsection (2) shall be guilty of an offence.
(5) This section shall not operate to authorise the removal from Singapore of any person who is a citizen of Singapore ordinarily resident in Singapore.