Spain: Updated technical documentation for the SII

Victor Duarte
November 30, 2022

The AEAT updated the technical documentation for the SII. Changes introduced by the new documentation will be in force in the production environment from 1 January 2023. Among the changes, the value AJ was added to the ledger of issued invoices for adjustments of the benefit’s margin and new validations and errors associated with this new code were also incorporated.

The updated documentation is available here.

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Victor Duarte

Victor is a Senior Regulatory Counsel at Sovos. Based in Stockholm and originally from Venezuela, he obtained a Law degree and a specialisation degree in Tax Law in his home country. Victor also earned a Master´s degree in European and Internal Tax Law from Lund University in Sweden.
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