What options are available if I need to re-categorize the tax category in old invoices?
To enter the correct tax category in the item during voucher entry then follow the below steps.
Step 1: You have to open the required voucher in modify mode
Step 2: Then put the cursor on item and press Alt+M shortcut key to open the item master
Step 3: Then select the correct tax category and re enter in the voucher and save it.
Additonally, you can import it through excel after correcting the tax category.