Diagnosis
"Automatic distribution according to due date" is not possible becauseyou have activated extended withholding tax for the company codeentered. There are withholding tax types maintained for this companycode for which more complex procedures for calculating the withholdingtax amount apply (for example accumulation, minimum withholding taxbase amount check at document level). These procedures do not allow"Automatic distribution according to due date"

System Response
The system resets the "Automatic distribution according to due date"indicator.

Procedure
Check your global settings for extended withholding tax.