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主题：F1/OPT转J1，RFE过程中收到Tenure Tra -- 流江河
家园 It is not overstay. However, you may not return to the U.S. untill your H1B visa is approved and becomes effective.
- 复 Analysis
家园 谢谢种植园土 很详细、专业的回答。我赶紧联系新学校，争取在RFE过期之前file H1B，然后撤销J1。
再问种植园土一个问题：RFE说，如果不能在规定的33天之内即4月26日提交国内地址的话，我的case会被拒。被拒后，我有30天时间准备离开美国。这个30天是否也表明我是lawfully stay in us？并且可以 在此期间（5月26日之前）file H1B?
我同是也跟新学校商量一下，看在能不能让我早点工作。
- 复 谢谢种植园土
家园 I think so. If USCIS grants you a 30 days grace period, then your stay during this period is lawful. But you'd better file a new H1b petition and withdraw J1 petition by April 26, 2014 on which date the RFE expires.
家园 谢谢，我争取让那边在RFE过期之前file H1B 家园 You should talk with your employer's immigration lawyer. If such lawyer is not available, go and find a lawyer by yourself.
I only have general knowledge but no special expertise as to immigration law. I can not give you detailed advice on RFE and other matters. But I have the intuitive feeling that you should avoid travelling back to China till everything is done and your new H1b visa becomes effective.
Find and talk an immigration lawyer ASAP.
通宝推：刹那芳华,
- 复 Analysis
家园 这个日期是提交申请日期，还是回执日期？ 也就是说，是信发出时，邮局给的收据上的日期，还是USCIS收到申请回邮一张收到通知上的日期，还是过几天排队进去给一个case number的日期？
家园 申请提交日期 is decided based on when your petition reaches the physical site of Service Center of USCIS.
For the purpose of H1b Lotter, even if it reaches the PO Box of USCIS but not physically on the site of the Service Center by 5 pm of April 7, 2014, the petition misses deadline.
But if your petition is received before 6 AM of April 1,it will be returned.
So typically H1b petitions were sent via UPS/Fedex/DHL/USPS on the evening of March 31,2014 or early morning April 1, 2014. Technically it is possible to file on early morning April 7, 2014, though the risk is high.
For other purposes, the rule is not that stringent. It is not the end of the world even if you miss one or two days. But don't do such sloppy things if you can do it professionally. The risks are too high to be justified.
- 复 Analysis
家园 很职业的回答。
家园 先恭喜 必须转签证不能用J1 找个律师帮忙吧 你这再不是访问学者的职位了，当然必须转工作签证
工资将大幅度提高， 花些请律师吧， 再说，看看新单位怎么帮助办。 大学都有专人处理签证问题。
家园 谢谢，新单位进度很慢。我再催催他们，看怎么处理。 比较倾向于撤销J1申请，直接办H1B。
如果新单位能够在RFE到期即4月26日之前file H1B的话，可以继续呆在这边等结果，否则就要回去在领事馆办了。