RMA and RTV Returns

Summary:

Suppose if po created for 100 qty—Received 100 qty and invoiced for 100qty…

Now after receiving 100qty there is 5qty damaged. Which customer want to return those 5qty to supplier using 'Supplier Return Without Receipt'

and later when we receive back those 5 qty from supplier how we need to receive from supplier?

Do we need to use blind receiving or some other functionality, which should not want to match with po

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