How To Fix IDFIIT101 - Document type &1 and tax codes do not correspond to same VAT register

IDFIIT101 - Overview

• Message type: E = Error

• Message class: IDFIIT - Messages for FI Reporting Italy

• Message number: 101

• Message text: Document type &1 and tax codes do not correspond to same VAT register

What causes this issue?

The document type &V1& and the tax codes of your invoice do not
correspond to the same VAT register.

System Response

The system cannot post (save) your invoice.

How to fix this error?

Use a document type and tax codes that correspond to the same VAT
register.
To check if the document type and the tax codes are relevant for the
same VAT register<(>,<)>

use the <ZK>Manage Your Solution</> app:
Click <ZK>Set Local Version</> in the right hand-side bottom corner of
your screen and select country Italy.
Select the <ZK>Configure Your Solution</> section of the app.
Search for application area <ZK>Finance</>, sub application area
<ZK>Statutory Reporting</>, item name <ZK>VAT</>.
Check the configuration steps <ZK>Assign VAT Registers to Accounting
Document Types</> and <ZK>Assign VAT Registers to Tax Codes</>.
<ZH>Note</>: If you want to delete accounting document types or tax
codes from VAT registers, you can also assign them to <ZH>empty</> VAT
registers.

see the Customizing for <ZK>Financial Accounting (New)</> under <ZK>->
Financial Accounting Global Settings (New) -> Tax on Sales/Purchases ->
Basic Settings -> Italy -> VAT Registers</>.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

IDFIIT101 - Details

• The SAP error message IDFIIT101 indicates that there is a mismatch between the document type and the tax codes used in a transaction concerning VAT (Value Added Tax) registration. This error typically arises when the document type and the tax codes are not aligned with the same VAT registration, which is essential for proper tax reporting and compliance.
  
  Cause:
  
  Mismatch in VAT Registration: The document type being used in the transaction is associated with a different VAT registration than the tax codes applied.
  
  Configuration Issues: The configuration settings in the SAP system for document types and tax codes may not be correctly set up to correspond to the same VAT registration.
  Incorrect Tax Code Assignment: The tax codes assigned to the document type may not be valid for the VAT registration in question.
  
  
  Solution:
  
  
  Check Document Type and Tax Code:
  
  Verify the document type being used in the transaction.
  Check the tax codes assigned to that document type