Item & Customer / Supplier Management

This is an oldie but a goodie.

Customers often request management of the relationship between Items sold and Customers and/or Item purchased and suppliers.

Sales

Items can fall into the following categories:

1. Item can be sold to anyone
2. Items can only be sold to specific customers
3. Items cannot be sold to specific customers

Purchases

Items can fall into the following categories:

1. Item can be bought from anyone
2. Items can only be purchased from specific suppliers
3. Items cannot be purchase from specific suppliers.

Why:  Not infrequently required by customers.  Available in other erp.