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According to the legislation changes in Spain introduced by Real Decreto 596/2016, de 2 de diciembre, a VAT management system based on Immediate Provision of Information (SII system) allows a two-way, automated and instant relationship between the AEAT and a taxpayer.

Starting from January 1st, 2021, version 1.1(bis) of the SII system comes into effect. This article provides information about changes in Microsoft Dynamics AX 2012 R3 to support version 1.1(bis) of SII system.


Full information about what changes are introduced in the SII system are described in the official documentation for the version 1.1(bis):

Link description


Nueva documentación versión 1-1-2021

Descripción del servicio web(1-1-2021)

Documento de validaciones y errores(1-1-2021)


Following changes introduced by the version 1.1(bis) which have potential impact on Microsoft Dynamics AX 2012 R3 solution for reporting information to SII system and covered by the current hot fix:

Change description


LRFE. Bloque identificación de la contraparte(I)

1. If the type of invoice is F1, F3, R1, R2, R3 and R4, the identification block of the counterparty has to be completed.

2. If the type of invoice is F2, F4 and R5, the identification block of the counterparty must be omitted.

LRFE. Fecha de expedición y período de liquidación

1. The date of issue may not be prior to the date of operation. This validation will not apply when any of the special regime codes is 14 or 15 or type of communication A4.

LRFE. IVA pendiente de devengo AAPP.

When a single regime is marked and it is 14, the type of invoice must be F1, R1, R2, R3 or R4


LRFR. Cuota deducible

  1. If the field "Cuota recargo equiv." is completed, the "Cuota deducible" field must be zero.

  2. If the identification type is 03, 04, 05 or 06, the "Cuota deducibe" field must be 0.

LRFR. Deducción en período posterior.

New field "Deduct in later period".

If the fields "Ejercicio de deducción" and "Periodo de deducción" are completed, the "Deducir en período posterior" field must be "Yes".

LRFR. Período y ejercicio de deducción

New fields "“Ejercicio" (fiscal year) and "Período de deducción" (deduction period).

More information

You can contact technical support for Microsoft Dynamics by phone using these links for country specific phone numbers. To do this, visit one of the following Microsoft websites:



In special cases, charges that are ordinarily incurred for support calls may be canceled if a Technical Support Professional for Microsoft Dynamics and related products determines that a specific update will resolve your problem. The usual support costs will apply to any additional support questions and issues that do not qualify for the specific update in question.

Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained here in is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

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