I-131 instruction has the

来源: 于 2005-11-14 07:43:58 [旧帖] [给我悄悄话] 本文已被阅读：次

explaination on how to use AP.

Basically, AP is used when you cannot get a Visa, or you donot want to get a visa.

Sure you can apply a visa in order to re-enter U.S, and not to use AP.