How to update supplier on Back to Back Purchase order

Summary:

Can we update supplier on Back to Back PO?

If we update the supplier in Back to Back PO then does it flow to Sales order without creating any exception on sales order

Content (please ensure you mask any confidential information):

Can we update supplier on Back to Back PO?

If we update the supplier in Back to Back PO then does it flow to Sales order without creating any exception on sales order

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Code Snippet (add any code snippets that support your topic, if applicable):