NOTE: Which invoices, credits or orders you update depends on whether the item is in transit on the date when the UK leaves the EU.

1. Click Invoices and credits, Sales orders or Purchase orders as required.
2. Select the required invoice, credit or order then click Edit.
3. Click the product or service you want to change and press F3.
4. Amend the Tax Code.
   
   You may also want to change other defaults, for example Nominal and Department.
   
   
5. Click OK then click Save.