Regulatory development

Development of the IIS came about as the result of an extended legislative process started out in 2014.

Tax Agency launches a modernization strategy for Value-Added Tax managment, know as the IIS (in Spanish, SII)

October 20

July 30

Treasury Ministry (MINHAP) announces a Royal Decree Project to modernize, improve and promote the use of electronic VAT bookkeeping methods.
Official State Gazette (BOE) announces Law 34/2015, of September 21, as partial amendment to General Tax Law 58/2003 of December 17.

September 22

October 12

Tax Agency publishes a series of amendments made by Law 34/2015, of September 21, as a partial amendment to General Tax Law 58/2003, of December 17.
Official State Gazette (BOE) publishes updated edition of General Tax Law and regulations..

November 18

December 2

Royal Decree 596/2016 of December 2, approved by the Council of Ministers, which includes measures for modernization and use of electronic media in VAT affairs through rollout of the Immediate Information Sharing (SII) system.
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EDICOM is a Spanish multinational specialized in electronic invoicing and EDI (EDI) with offices in 8 countries around the world. We have 20 years of experience in the sector and more than 14,000 customers.

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