A Europe customer has canceled an already payed service (example 100€), so i need new a new cancelation invoice with the exact same but negative amount (minus -100€) on it and a new invoice number. (so are the rules by the tax office)
do i have to cancel the invoice and then make a complete new one with the negative amount, or is there a better workflow for that, to get a cancelation invoice and refer to the original one?
very curious how you would to that… thanks!