Twenty-second Amendment to the United States Constitution
The amendment prohibits any individual who has been elected president twice from being elected again. Under the amendment, an individual who fills an unexpired presidential term lasting greater than two years is also prohibited from winning election as president more than once. Scholars debate whether the amendment prohibits affected individuals from succeeding to the presidency under any circumstances or whether it only applies to presidential elections.
Powers of the President of Singapore
Article 5(2A) of the Constitution allows the President to direct that any bill seeking to amend certain important clauses of the Constitution shall not be passed by Parliament unless it has been supported at a national referendum by not less than two-thirds of the total number of votes cast by the electors. The clauses which Article 5(2A) applies to are:This provision, however, was not immediately brought into force when enacted, as the Government stated at the time that a grace period of at least four years was needed for modifications and refinements to the Elected President scheme to resolve unforeseen problems that arose upon implementation. As of early 2014, Article 5(2A) had still not been brought into force. On 21 October 2008, in response to a question by NMP Thio Li-ann, the Prime Minister Lee Hsien Loong said: