Hi
i am in usa on b1 and my wife and child r on b2 need to extend only 5 days left
1] i tried filing online it takes only my form and says for family fill i 539 a if i fill it how do i upload.
2] If i fill the forms and sent it by post so do i pay for only primary applicant 370 ori have to pay for all 3 370+370 +370 AND BIOMETRICS