This excerpt taken from the ATVI 10-Q filed Feb 8, 2006.
Europe. Publisher may, solely with respect to FPUs manufactured for distribution in the European Sales Territory, utilize a different process or company for the combination of a FPU withPackaging Materials provided that such packaging process incorporates the BTS and otherwise complies with the Xbox 360 Publisher Guide. Publisher shall notify Microsoft regarding its use of such process or company so that the parties may properly coordinate their activities and approvals. To the extent that Microsoft is unable to accommodate such processes or company, Publisher shall modify its operations to comply with Microsofts requirements.