How to: Change Main Stock Supplier

To change main stock supplier

From the home page, choose Stock
Search for the stock item that you want to add a supplier for
Select the stock item from the grid
Choose the Suppliers tab
Select the supplier that you want to make the main supplier in the grid
Click the Make Main Supplier button

If there is only one supplier on a stock item, you will need to add another supplier to make it the main supplier. See How to: Add Suppliers for a Stock Item for more information.