blog.seeburger.com
New version 1.1 of the Spanish VAT Reporting System (SII) becomes effective 1st July, 2018
What is SII? From 1st July, 2018, the Spanish tax authority (AEAT) mandates the use of the new version 1.1 of the SII system for the immediate transfer of VAT related information. The former version 1.0 will coexist until