Sales in which a Price is paid for Goods to be Delivered Later (As-Salam)

Bukhari :: Book 3 :: Volume 35 :: Hadith 445

Narrated Ibn 'Abbas:

The Prophet came (to Medina) and he told the people (regarding the payment of money in advance that they should pay it) for a known specified measure and a known specified weight and a known specified period.

Source materials are from the University of Southern California MSA site
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