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Fiqh al-Bay' bi-al-Dayn — The Sale of Debt in Islamic Law: Whether Receivables Can Be Transferred, the Discount Problem, Its Connection to Riba, and Contemporary Sukuk Applications

فِقهُ البَيعِ بِالدَّيْن — بَيعُ الدَّيْنِ فِي الفِقهِ الإِسلَامِيّ: هَل يُمكِنُ نَقلُ المَستحَقَّاتِ وَإِشكَالُ الخَصمِ وَعَلَاقَتُهُ بِالرِّبَا وَتَطبِيقَاتُ الصُّكُوكِ المُعَاصِرَة
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Fiqh al-Bay' bi-al-Dayn (فِقهُ البَيعِ بِالدَّيْن — Jurisprudence of the Sale of Debt; whether a monetary receivable [dayn] can be sold to a third party; this question is critical for modern finance because almost every financial instrument involves some form of debt — mortgages, trade receivables, bonds, and sukuk all represent monetary claims against debtors; the Shafi'i position [adopted by Malaysia's Shari'ah framework] permits sale of debt at face value or at a discount under certain conditions; the Maliki and Hanbali positions are more restrictive, generally prohibiting sale at a discount as an indirect form of riba; the AAOIFI and OIC Fiqh Academy positions are generally aligned with the restrictive view for cash discounting, while permitting assignment/transfer of rights in more complex structures) is one of the most commercially significant debates in contemporary Islamic finance.

The Core Problem: Discount = Riba?

When a business has a receivable — someone owes them 100 units, payable in 6 months — they may want cash now. The obvious solution: sell the receivable to a third party for 95 units now. The third party collects 100 later, earning 5 units of profit.

Is this permissible? The answer depends on whether “selling money for money, with a time differential and a price difference” is riba. The Prophetic hadith on riba al-fadl — “gold for gold must be exchanged equally, hand to hand” — is the core text, but it specifies commodities and spot exchange. Does it apply to future monetary receivables?


School Positions

Shafi’i (Malaysia’s approach): Debt may be sold, with conditions, including at a discount. The reasoning: debt is a property right that can be transferred, not “money for money” in the riba sense.

Maliki/Hanbali/most AAOIFI positions: Sale of debt at a discount is effectively selling a dirhams for fewer dirhams with time delay — this is precisely riba al-nasa’. Prohibited.

Assignment (hawala) vs. sale: Most schools permit the assignment of a debt to a third party (hawala) at face value, because no “price” is being charged — the creditor merely transfers their right to receive payment. The controversy focuses on discounted transfer.


Sukuk Applications

Many sukuk structures involve debt-like receivables. The Malaysian market developed sukuk structures where debt can be traded at market prices; the Gulf market structures sukuk to avoid this by ensuring they represent asset ownership, not pure debt claims. This difference explains why Malaysian and Gulf sukuk are not always mutually recognized as Shari’ah-compliant.

See also: Fiqh Al Tawarruq, Fiqh Al Gharar, Fiqh Al Bay Al Muajjal, Fiqh Al Madhab Al Maliki, Fiqh Al Madhab Al Shafii

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