Invoice corrections and VAT adjustments: prepare your business for 2027
Updated: 3 days ago
The guidance set out in Circular Letter No. 25120/2026 of 28 July affects invoicing procedures and VAT adjustments. Here are the key points from our information update and the steps to consider when preparing for 1 January 2027.
1. Formal errors: cancel and issue a new invoice: Errors in the customer’s tax identification number, name, address or description of goods and services, with no change to the taxable amount or VAT charged, must be corrected by cancelling the invoice in the invoicing software, assigning status “A”, and issuing a new invoice with the correct details. The SAF-T (PT) file must reflect the change.
2. Credit and debit notes: corrections with a tax impact: These documents are intended to correct the transaction value, taxable amount or VAT charged and must identify the original invoice. Errors in the application of VAT may also require an amended VAT return, depending on the circumstances.
3. VAT recovery: documentary evidence is essential: The supplier must demonstrate that the customer was aware of the credit note. Email confirmations, signed documents and customer portal access records are examples of evidence to retain before making the VAT adjustment.
4. Transitional period: note the scope of the exception: Until the end of 2026, where software needs to be adapted to issue corrective documents for the VAT amount only, it is exceptionally permitted to issue a credit note for the entire transaction, followed by a new invoice.
What should your business prepare? Review invoice issuance and correction procedures; confirm software readiness with your provider; strengthen document retention and evidence collection; and take account of changes to the fields and annexes of the VAT return.
Plan the necessary adjustments and prepare for the transition. We are available to assess the impact of this guidance on your business and support the adaptation of your procedures.
This information is general in nature and does not replace an assessment of each specific situation.
Please check the document for all the information.
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