I20能换多少次？
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厚仁杨老师
同学您好，严格意义上没有具体的要求，当学校需要更新您的信息或者转学时都会更新I20，当然如果频繁更换I20可能会在入境时被工作人员盘问。建议您将自己的情况详细告知我们，帮您具体分析。