18 – Abu Yaʿfūr reported—through an unnamed transmitter—from ʿAbd Allah ibn ʿAmr (may Allah be pleased with him)—that the Prophet ﷺ sent ʿAttāb ibn Usayd to the people of Mecca and instructed him: “Forbid them from two stipulations in one sale, from combining a sale with a loan, from earning profit without assuming liability, and from selling what has not yet been taken into possession.”