THE STATUTES OF THE REPUBLIC OF SINGAPORE
INTERNAL SECURITY ACT
(CHAPTER 143)
(Original Enactment: M Act 18 of 1960)
REVISED EDITION 1985
(30th March 1987)
Prepared and Published by
THE LAW REVISION COMMISSION
UNDER THE AUTHORITY OF
THE REVISED EDITION OF THE LAWS ACT (CHAPTER 275)