8. Ali ibn Ibrahim has narrated from his father from ibn abu ‘ Urn ay r from Hammad from al-Halabiy who has said the following: “This is concerning my question before abu ‘Abd Allah عليه السلام, about the case of a man who makes a sale and the merchandise is not with him for an appointed time but he guarantees the sale. He (the Imam) said, ‘It is not unlawful.’”