- Portugal has updated rules for invoice corrections and VAT regularization, along with a new periodic VAT return model.
- Credit notes are now limited to real transaction reversals or value reductions; formal invoice errors must be fixed by canceling and reissuing the invoice.
- Systems must clearly separate invoice cancellations from commercial corrections, keep corrective documents linked to the original invoice, and preserve the original sale date on corrected invoices.
- If a communicated invoice is canceled, the cancellation must also be reported to the Tax Authority; consumer returns can still use credit notes, with digital logs accepted as proof.
- VAT overpayments can be regularized through an optional procedure, and certain error corrections previously shown in annexes box 40/41 must now be handled via an amended return.
Source: vatcalc.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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