B1 for attending a conference

[itsarviin]

Hi,

Im looking to apply for a B1 visa to attend a conference & meet few of my existing customers as well. I plan to stay in U S for 4 weeks out of which i have invite from one of the customers for 2 weeks . I don not have supporting doc for the next 2weeks of my stay. how do i proceed.

Regards,
Arvind

[txh1b]

You can apply with those supporting docs that you have already. Your validity of the trip is decided at POE and at that time, you can mention how long you are intending to stay.