回复：need 哪些文件 为 申请 H1b and H4 visa

HI， 朋友，

本人H1B已批， 再想回国一次， 回来时签证，我要准备哪些文件： I-797， I—94， 要不要I-129 COPY？， LCA？
-You only need to provie the H1 approval notice, copy of the h1 filing documents (I-129 plus LCA) and a employment verification letter from your employer, and recent 3 months payckeck stubs (not need but in case).

H4 如单独去签证， 要哪些文件， 我的I-797，I-94，
-Plus marriage certificate and you recent 3 month paycheck stubs.

要不要我的I-129 COPY， MY LCA？
-Not need.

我想回国前先有一个签证， 现在 去 MEXICO 还有效？
-If you entered US with H1 visa for your latest entry, you can go to Mexico to get the H1 visa if you want to.