This excerpt taken from the ATVI 10-Q filed Feb 8, 2006.
a. [*] Publisher shall not authorize its Authorized Replicators to begin production until such time as [*] Depending upon Publishers credit worthiness, Microsoft may, but is not obligated to, offer Publisher credit terms for the payment of royalties due under this Agreement within [*] of receipt of invoice. All payments will be made by wire transfer only in accordance with the payment instructions set forth in the Xbox 360 Publisher Guide.
b. Publisher will pay royalties for FPUs manufactured in the North American Manufacturing Region in US Dollars, for FPUs manufactured in the Asian Manufacturing Region in Japanese Yen and for FPUs manufactured in the European Manufacturing Region in Euros.