Security

We are in process of implementing security model. Our requirement is like below.

for Actuals : User A should have READ access to company codes X, Y and for Flow 99 & WRITE access to company code Z and FLOW 99.

for Budget : User A should have WRITE access to company codes X, Y & Z and Flow 99.

Please let me know some ideas on how to achieve this.

Thanks,

Suman