Next May 9th at 9 am The electronic systems ECS P2 and EXS v2-v3 will no longer be operational and from that moment on the respective declarations and notifications must be sent through the systems adapted to CAU , AESP1 and EXS v4.
Notwithstanding the foregoing, system ECSP2 will continue to be available to perform the following actions on declarations submitted using this system until the time of implementation of system AESP1 :

• Modification of data in the submitted declaration
• Filing of supplementary declarations for simplified type 'B' declarations
• Likewise, and in relation to the electronic system of summary declaration of exit and notification of re-exportation, the use of the updated version of the same (version 4) will be accepted for the management of cancellations and modifications of declarations and notifications made using the previous versions (versions 2 and 3).

 Information regarding the aforementioned systems is available on the Electronic Headquarters of the AEAT in the link on the right.