Have witnesses to the deal, (and make sure) that the scribe or the witness is not harmed. If he is, it would surely be sinful on your part.
Kuma ku shaidar idan kun yi sayayya. Kuma kada a wahalarda marubuci, kuma kada a wahalar da shaidu kuma idan kun aikata to, lalle ne, shi fãsiƙanci ne game da ku.