material should not be delivered from other plant ...

hi friends ...

my client requirement :

1. there 11 depo's with client organisation(plant) ... the material should not be delivered from other depo(plant) , when ever the sales order raises at a perticular depo(plant) ....

2. one perticular depo should not be authorized to raise the sales order for other depo's regoin customer ...

what are the configuration settings ...plz reply me in detail .... thanks in advance ....