What is SII in Spain?
The Suministro Inmediato de Información (SII) is a platform to submit invoice data to the tax authority in Spain. Taxable persons who are in scope must report invoice data within four business days following the date of issue.
In 2020 the tax administration announced a new version of the SII, introducing a ledger to record operations related to the sale of goods in consignment. This came into effect on 1 January 2021.
When did Spain introduce SII?
The Suministro Inmediato de Información (SII) was introduced on 2 January 2017 on a voluntary basis, extending to a mandatory basis on 1 July 2017. Since then, there have been changes and additional requirements
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