How to Change Sold-to Party in Sales Order

Business Case:

Create Sales Order copy With Reference from Quotation , then the Sold-To party is changed , and
The Field of Sold-To Party in sales Order is Disable (because copy with reference from quotation ) .
How can I change the sold-to party in sales Order

Sap Solution :

Go to T-Code : VTAA , then choose the Doc. Type (Source and target ) , then double click
and in Copy Requirement : choose ( Header-diff.customer ). This let change the sold to party when take copy with reference from quotation.