Existing grain inside a natural husk may be sold; future nonexistent goods and ribawi same-genus exchanges require separate analysis.
A house's related installed-lock keys follow the sale, unlike unrelated personal possessions.
Quduri assigns the measurer's and coin examiner's wages to the seller and the price weigher's fee to the buyer; commentarial disagreement on the examiner's fee should be remembered.
In the ordinary immediate goods-for-money sale, payment is directed first, then delivery. In barter or monetary exchange, reciprocal delivery is concurrent. The next original heading is Bab Khiyar al-Shart.