In the following document I have described step by step how to fill the required W7 and W8-BEN IRS forms as a Swiss individual who wants to create an account on the Windows Phone 7 marketplace.

http://cid-c1b9ab97ac168e19.office.live.com/view.aspx/.Public/Windows%20Phone%207/Adding%20Financial%20Information%20to%20Marketplace.pptx

This is completing the series “Windows Marketplace for Mobile: Registration and Application Submission Walkthroughs” published on the Windows Phone Blog.

Windows Marketplace for Mobile Developer Registration Walk Through

http://www.slideshare.net/mymobilehome/windows-marketplacefor-mobile-developer-registration-walk-through-081209-pr

Windows Marketplace for Mobile Developer Application Submission Walk Through

http://www.slideshare.net/mymobilehome/windowsmarketplaceformobileapplicationsubmissionwalkthrough