How To Fix TU388 - Sales/purchase tax cannot be determined in invoicing with BB procedure &2

TU388 - Overview

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 388

• Message text: Sales/purchase tax cannot be determined in invoicing with BB procedure &2

What causes this issue?

In Customizing, the setting you made for tax determination
<LS>(sales/purchase tax determination in invoicing)</> are only valid
when used in connection with the partial bill procedure (budget billing
procedure 2) or with the payment plan (budget billing procedure 3).
However, budget billing procedure &V2& is entered in contract account
&V1&.

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

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

Check the budget billing procedure in contract account &V1&
Check the tax determination settings
INCLUDE ISU_PENCIL OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

TU388 - Details

• The SAP error message TU388 indicates that the system is unable to determine the sales or purchase tax during the invoicing process when using the "BB" (Business-to-Business) tax procedure. This can occur for various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Causes of Error TU388
  
  
  Tax 
  Configuration Issues: The tax codes or tax determination procedures may not be correctly configured in the system. This includes missing or incorrect tax rates, tax codes, or tax categories.
  
  
  Master Data Issues: The customer or vendor master data may not have the necessary tax information. For example, the tax classification for the customer or vendor may be missing or incorrect.
  
  
  Transaction Data Issues: The specific transaction (sales order, purchase order, etc.) may not have the correct tax information or may be missing relevant data that is needed for tax determination.
  
  
  Country-Specific Settings: Different countries have specific tax regulations, and if the country