The Book of Transactions (Kitab Al-Buyu`)

Muslim :: Book 10 : Hadith 3691

Sahl b. Abu Hathma reported Allah's Messenger (may peace be upon him) having forbidden Muzabana, i. e. exchange of fresh dates with dry dates. except in case of those to whom donations of some trees have been made. It is for them that concession has been given.

Source materials are from the University of Southern California MSA site
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