Advance Payment in the Transaction of Goods

“Abu ‘ Abd Allah (a.s.), has said, ‘Advance payment to receive goods at an appointed time in the future is lawful if the length and width are fully described.”’

“I once asked him (the Imam) (a.s.), about advance payment to receive goods on a date in future which is payment in advance for silk or goods made in the location where you live. He (the Imam) said, ‘Yes, it is lawful if…

“Abu ‘Abd Allah (a.s.), has said, ‘Advance payment to receive goods in future is lawful if the length and width is made known.’”