Singapore Constitution over the years, including the introduction of Group Representation Constituencies, Non-constituency Members of Parliament, Nominated Members of Parliament and the Elected President. Such changes may not have happened or may have faced the possibility of being pronounced unconstitutional by the courts if the basic features doctrine was applicable in Singapore. Notes References Chng Suan Tze v. Minister for Home Affairs [1988] 2 S.L.R.(R) [Singapore Law Reports (Reissue)] 525, Court of Appeal. Teo Soh Lung v. Ministry for Home Affairs [1989] 1 S.L.R.(R) 461, High Court. . Further reading Articles . . . . . . Books . . . . . . News reports and websites . External links Official website of the Internal Security Department, Ministry of Home Affairs Official website of the Supreme Court of Singapore 1989 in case law 1989 in Singapore 1990 in case law 1990 in Singapore Court of Appeal of Singapore cases High Court of Singapore case law Singaporean administrative case law Singaporean civil rights case law Terrorism laws of Singapore