You cannot delete a Code that has been used in an entry (i.e an invoice or transaction). You can modify or merge Code to first remove any links to an entry and then you can delete the unwanted names.
- Click on Setup & Tools in the main menu.
- Click on Cashbook Setup.
- Click on Codes.
- Find the Code you wish to remove in the list.
- Click on it & click the red X. If you have correctly merged the code, it will be deleted without a warning as it contains no data.