回複：急問B2延期問題，謝謝了。

各位大師，我想幫我父母申請B2延期，有以下問題，

2，是eFile好呢，還是用傳統郵寄的方式？

-Not different.

1，我在加州，申請應該寄去哪裏呢？
-Mail it to the following address:  

(see http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=7200ecb23683a210VgnVCM100000082ca60aRCRD&vgnextchannel=fe529c7755cb9010VgnVCM10000045f3d6a1RCRD)

 

All other Forms I-539, including: Change of status from A, G, or NATO classifications to another nonimmigrant classification; or, A Form I-539 filed separately from a principal’s Form I-129.

USCIS Dallas Lockbox U.S. Postal Service: USCIS P.O. Box 660166 Dallas, TX 75266 USPS Express Mail/Courier:      USCIS ATTN: I-539 2501 S. State Highway 121 Business Suite 400 Lewisville, TX 75067