If you are checked, you passport will be stamped as being checked. In this case, AP may not work.
This is what I saw from this forum, do not know if this is correct.
回复:已经拿到AP,一月份回国一个月,想保住现有的H1B所以打算去领馆
所有跟帖:
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Thank you!!
-twoorioles-
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12/26/2005 postreply
19:58:01
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我在美国换两次身份,h4转H1,H1转H
-twoorioles-
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12/26/2005 postreply
20:04:28
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前一条发错了。应该是我在美国换过三次身份,H4转H1,H1转H4,H4再转H1
-twoorioles-
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12/26/2005 postreply
20:11:56
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回复:前一条发错了。应该是我在美国换过三次身份,H4转H1,H1转H4,H4
-twoorioles-
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12/26/2005 postreply
20:14:23