https://www.dotnetzone.gr:443/cs/blogs/dt008/archive/2011/10/07/how-to-deal-with-payout-setup-on-the-windows-phone-marketplace-getting-a-tax-identification-number-tin-and-submitting-the-w-8-form.aspx[This is a guest post from George Karavias of Anlock Ltd. creators of the Windows Phone 7 educational game First Words: Learning Animals ] So you’ve gotten over the hoopla of Geotrust and you have been registered as a Windows Phone developer. You areelCommunityServer 2.1 SP3 (Build: 20423.1)