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I need to rectify my output VAT/input VAT

Get answers to your questions about VAT rectification in case of discounts, resolution of operations, non-payments, errors or others.

IVA virtual assistance tools

Deadline calculator for amending invoices

Information

In which cases should I rectify my output VAT?
Find out when to correct the invoice issued to your client.
In which cases do I have to rectify my deducted input VAT?
When you can or must rectify the VAT deducted on your return
How can I recover unpaid VAT from my clients?
Requirements and procedure

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VAT practical manuals