If you want to exclude a certain supplier from purchasing for a customer, there are 2 ways this can be set up.
Company Basis
- Go into Company Record > Product & Pricing tab
- There is a box called Suppliers Excluded from Pricing Calculations
- Click Add Supplier
- Select the Supplier from the drop-down
- Click Add
Location Basis
- Go into Company Record and into the Location you wish to restrict
- There is a box called Suppliers Excluded from Pricing Calculations
- Click Add Supplier
- Select the Supplier from the drop-down
- Click Add