Go to the Creditors Tab
Click on Suppliers
Find the Supplier code you no longer need
Click Edit under the window tab
Under the Record tab, Click on info
Tick the Inactive Button.
Click the Save Button
You may receive an error message when choosing a particular supplier code that indicates there are batched transactions, this is because you may have something pending within the supplier.
Please ensure that the supplier is no longer in use to remove the error by checking thePurchase Ledger batchand if applicable thePurchase Order batch.