3154604 - Billing date in a sales order is changed by the supplier invoice posting in third-party

The posting date of the supplier invoice overwrites the billing date of the sales order when following scope item BDK.

• Sales and Distribution (SD)
• SAP S/4HANA Cloud All versions 

The system takes the billing date from the requested delivery date. However, if the sales order line item is a third party item, the billing date will be overwritten at the time of supplier invoicing using the system date. Note: If the supplier invoice 'posting date' is filled, the 'posting date' field will take precedence 

This is the standard system behavior. The field in the sales order can still be changed manually to another date, if desired by the user.

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