You can create correction invoices with reference to billing documents to fulfill the legal requirements in Poland and Hungary. You are required to create a correction invoice whenever you need to correct a tax invoice, for example in the following cases:
To grant a customer a discount or rebate, or increase the price of goods or services
If the billing document contains an error in any of the prices, tax rates, tax amounts, net values, gross values, quantities, or units of measure
When a customer returns goods to you
You can trigger the creation of correction invoices as follows:
From a complaint with reference to a billing document
During retroactive billing