Online returns are registered against the invoice issued on delivery. The procedure is similar to the B2B return, with the type of document specific to the online channel. A special case is when the return request is registered on the website and imported as such.
From the invoice — the recommended method:

New document — when the invoice is not directly accessible:
If the customer returns only part of the order, they adjust the quantities in the automatically generated return document before issuance. Quantities are always introduced positively.
