Does Microsoft have a policy regarding amount of discs shipped?

[D-Joe]

KillerMan said:

Microsoft demands minimun shipment  of 50k copies in America. It used to be 30k which was already huge amount for small publishers.

lol

there's many 360 games can't even ship more than 30k in NA this year

btw,i don't think Konami can't ship more than this number(50k or whatever)