What is Bay' Inah? Bay' Inah, meaning sale with immediate repurchase, is a contract which involves the sale and buy back transaction of an asset by a seller. A seller will sell the asset to a buyer on a cash basis. The seller will immediately buy back the same asset on a deferred payment basis at a price that is higher than the cash price. It can also be applied when a seller sells the asset to a buyer on a deferred basis. The seller will later buy back the same asset on a cash basis at a price which is lower than the deferred price.