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The amendment of the Temporary Provisions against the Communist Rebellion in 1960 had allowed Chiang Kai-shek to seek for unlimited terms. After the death of Vice-President Chen Cheng in 1965. Chiang decided to pick premier Yen Chia-kan to be his running-mate, filling the vacancy. In the end, Yen was elected by a narrow majority, 55 per cent of the votes, while Chiang received 98 per cent of the votes.