You will only be able to delete a Transaction Code that has not been used in the system. If you try to delete a Transaction Code that is in use, you will receive the following error:

To delete a Transaction Code that is not in use:
1. From the button bar in AP Manager, click Tools and select Transaction Codes.
2. To display the Code you wish to delete enter the code or use the F8 key or the down arrow to display the code.
3. Click Delete or press the Ctrl + Delete Keys. You will be prompted to confirm the deletion.
4. Click Yes if you want to delete the record or No if you want to keep it.