Good question. I haven't filled out any paperwork in 2 years since I haven't had any US income to declare. I got it done for the iOS App Store -- not sure if Ap

Good question. I haven't filled out any paperwork in 2 years since I haven't had any US income to declare. I got it done for the iOS App Store -- not sure if Apple does that paperwork for devs (since it acts like a sales agent).