Can someone with experience extending visitor visa, B-2 help me with the process. My mom and dad are here to help with my baby. Both of us work, so it has been very helpful. They want to extend their stay, by hopefully 3 more months to celebrate pasni (6 month baby celebration, not sure how to say this). Their I-94 is valid for July 5th. Looks like you can file the application for extension, I-539 online. We created an account for my dad online, at USCIS 1. When you file online, one application for my Dad is only required? Not a separate application for my mom? 2. Looks like supporting documents have to be mailed to the service center, what types of supporting documents do you recommend? 3. Have to provide explanation for extensions. Do you submit this online? Can I say its for pasni? How do i say that. 4. Please provide any helpful tips to avoid any pitfalls. Thank you