Visitor visa extension EFILE question

[Divyapathapati]

I am trying to apply for visitor visa extension EFILE (I539) my parents, IN APPLICATION there is field A# , what should i put here, system doesn't allow move forward with out A# , please help me what should i write for ?

Thanks
Divya

 

[kartheg2]

A #

Just leave it blank.

I don't think it stops you from moving forward. It just gives you a warning message.