October 20th, 2014
The Tax Agency launches a modernization strategy for Value Added Tax management, known as SII (Immediate Information Sharing).
July 30th, 2015
The Ministry of Finance publishes a Royal Decree Project to modernize, improve and promote the use of electronic media in the VAT ar
September 22nd, 2015
The Official State Gazette (BOE) announces Law 34/2015, of 21 September, as a partial amendment to General Tax Law 58/2003, of 17 December.
October 12th, 2015
Tax Agency publishes a series of modifications made by Law 34/2015, of 21 September, as a partial amendment to General Tax Law 58/2003, of 17 December
November 18th, 2015
BOE State Gazette publishes updated version of the General Tax Law and regulations thereof , setting January 1, 2017 as the date of entry into force.
December 2nd, 2016
Council of Ministers approves recovery of the SII project by Royal Decree 596/2016, of 2 December, on the modernization, improvement and encouragement of use of electronic means in Value Added Tax management.
July 1st, 2017
SII comes into force for 62,000 Spanish companies now required to file their VAT returns electronically.
Join our SII system group
We have created a LinkedIn group to inform, discuss and respond to queries from companies on Immediate Information Sharing.
Version 1.1 goes live on July 1, 2018, but version 1.0 will remain until July 20, both in the test environment and in production. As of Monday, July 21, only XMLs of version 1.1 will be accepted.