Four Noes and One Without

Several times, Chen had to reassure the United States that the Four Noes and One Without policy had not been abolished and that he was not attempting to circumvent the pledge via any loopholes.

It is noteworthy that the 2004 referendum called by President Chen Shui-bian held in tandem with the presidential election used the 'emergent threat' stipulation in Taiwan's Referendum Law, thereby implying the provision had already been breached by China's imminent threat and missile buildup.

[4]: 66 Koo Kwang-ming and other pro-independence leaders openly criticized that Chen, as president, is "not constitutionally authorized" and has "no legal power" to confine Taiwanese political future and freedom with the pledge.

In addition, some of Chen's supporters such as Vice-president Annette Lu have suggested that the pledge may have loopholes such as the definition of military force.

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