SPAIN-AEAT-SII-DETAIL

Spain real-time SII VAT submission.

Definition

SII 2.0 uses SOAP + WS-Security XAdES signature. Submission within 4 working days (8 for large companies). Fields: issuer NIF, factura number, base imponible, cuota IVA. Mandatory for large taxpayers (turnover > EUR 6M) and VAT groups. Veri*Factu (2026) progressively replaces it for SMEs.

Origin

AEAT publishes SII 2017 ; mandatory 1 July 2017 ; SII 2.0 October 2018.

Example in context

An Inditex SA submits its 100K invoices day J+4 working days in SII 2.0 — XAdES signed XML.

Related terms

• SII Spain — parent concept.