How the DGT's position has evolved
Current position
The rectification of the tax base and tax liabilities must be carried out through the issuance of corrective invoices, which may state either the amount of the rectification or the final data following the modification. In cases of errors in the accrual, such as invoices issued before the actual time, it is possible to rectify in accordance with the current regulations. The applicable tax rate is the one in force at the time of the original transactions.
The DGT's position remains stable regarding the rectification mechanism. Rulings confirm that rectification is the mechanism to correct errors in accrual, the tax base, or the application of tax rates. No doctrinal changes are observed, but rather the application of the same concept to different scenarios such as IVA (Value Added Tax), IS (Corporate Tax), or RETA.
Turning points
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Specifies the two ways to record data in a corrective invoice: by indicating the amount of the rectification or the final data following the modification.
Analysis based on 18 of 19 rulings with a stated position. Updated 25 September 2026.