Internal Security (Prohibition of Publications) (Consolidation) Order (Cap. 143, O 1, 1990 Rev. Ed.). For prohibited documents, see the Internal Security (Prohibition of Documents) (Consolidation) Order (Cap. 143, O 2, 1990 Rev. Ed.).
Corrosive and Explosive Substances and Offensive Weapons Act (Cap. 65, 1985 Rev. Ed.), ss. 3–5.
The laws are the Corrosive and Explosive Substances and Offensive Weapons Act, the National Registration Act (Cap. 201, 1992 Rev. Ed.), the Railways Act (Cap. 263, 1985 Rev. Ed.), the Sedition Act and the Societies Act. Abetments of or attempts to commit offences under those Acts are also included: ISA, 2nd Schedule.
"6 held for espionage: ISA arrests over past two years", The Straits Times, p. 53, 22 January 1999; "ISA detainee was a civil servant", The Straits Times, p. 52, 23 January 1999; Countering Threats, Internal Security Department, 2003, archived from the original on 5 December 2012.
Francis Chan (8 March 2013), "Terrorist threat remains: DPM Teo: Arrest of ex-detainee who returned to old ways shows de-radicalisation is not easy", The Straits Times, p. A9; Neo Chai Chin (8 March 2013), "ISA detainee released, then re-arrested", Today, p. 2, archived from the original on 7 March 2013.
"6 held for espionage: ISA arrests over past two years", The Straits Times, p. 53, 22 January 1999; "ISA detainee was a civil servant", The Straits Times, p. 52, 23 January 1999; Countering Threats, Internal Security Department, 2003, archived from the original on 5 December 2012.
Francis Chan (8 March 2013), "Terrorist threat remains: DPM Teo: Arrest of ex-detainee who returned to old ways shows de-radicalisation is not easy", The Straits Times, p. A9; Neo Chai Chin (8 March 2013), "ISA detainee released, then re-arrested", Today, p. 2, archived from the original on 7 March 2013.
James Paterson (1877), Commentaries on the Liberty of the Subject and the Law Relating to the Security of the Person, London: Macmillan & Co., p. 143, OCLC60724650.
Beatrice S. Frank; Joseph C. Markowitz; Robert B. McKay; Kenneth Roth (1990), The Decline in the Rule of Law in Singapore and Malaysia: A Report of the Committee on International Human Rights of The Association of the Bar of the City of New York, New York, N.Y.: The Association of the Bar of the City of New York, pp. 70–73, OCLC22975283; "Chia Thye Poh to be allowed to live in S'pore", The Straits Times, p. 37, 16 November 1992; Muhammad Shah (27 November 1998), "Chia Thye Poh a free man", The Straits Times, p. 2.