The State Tax Administration Agency (AEAT) has announced that as of February 3 the AEA will be available in the Procedures section of the electronic headquarters of its website a new help service for model 303 called “Pre303”. This service is addressed to a part of the taxpayers who are currently obliged to keep their VAT records through the Electronic Headquarters of the AEAT (the so-called “Immediate Supply of Information” SII).
Source ivaconsulta