Calendar

• 2023

Date	Grades
03/07/2023	Testing in PREproduction of statements {A, D, Z}
03/10/2023	Testing in PREproduction of V statements
17/07/2023	Guidance publication Pre-Dispatch Notification of the Union Customs Code, I2

• 2024

Date	Grades
15/01/2024	Tests rest of messages involved in import statements: Activation of declaration (IE432), queries, complementation of documents, etc.
15/01/2024	PREproduction Notification Prior to Dispatch of the Union Customs Code, I2
04/05/2024	Production of statements {A, D, Z, V}
03/06/2024	PRE-production testing of statements {B, E, X}
01/07/2024	Production Notification Prior to Dispatch of the Union Customs Code, I2
01/10/2024	Production of statements {B,E,X}

• 2025
  • March: Closing DUA current
  • April: Trial period for the rest of the declarations {C, F} and complementary to the previous ones {Y, U}

Documentation

• Version V3.1 is the recently modified documentation.
• Import technical guide adapted to CAU V3.1
• Rules and conditions adjusted to EUCDM and Spanish Customs V3.1
• Additional information Import CAU V3.1 
• Import scenarios adapted to CAU V3.0
• CAU Import Consultation Service V2.1 

AEAT headquarters: Access to Technical Guides - DUA Presentation (Single Administrative Document (Technical Guides: Presentation of import declaration).

H1-CCI Import System: Access to List of tables for the testing period (List of code tables used in CCI).

Other considerations

• Notification Prior to Dispatch of the Union Customs Code, I2: is a message whose MRN may be declared in declarations of type Z, V as a preceding document. 
• During this testing period, the settlement calculated by AEAT will not be responded to. In the response referring to the settlement, only the settlement declared by the operator will be responded to. You will be notified in advance of the moment in which the AEAT responds with the calculated settlement.