Salam & the Rules of Sale

What Salam Is, and Why It Is Permitted

Salam (also called salaf) is a sale in which the price is paid in full now, in advance, for a described commodity to be delivered later at a fixed term. It is the reverse of an ordinary credit sale: here the money is immediate and the goods are deferred. Salam serves a real need — a farmer or craftsman receives capital up front, and the buyer secures a future supply at an agreed price — and for this reason the Sharī'ah permitted it as a defined exception to the general rule that one may not sell what one does not yet possess.

Its permissibility is grounded first in the Book of Allah. Ibn 'Abbās (raḍiyallāhu 'anhumā) said that the verse on recording deferred debts was revealed concerning salam, because salam is precisely a known obligation owed for a fixed term.

It is grounded next in the Sunnah. When the Prophet (ṣallallāhu 'alayhi wa sallam) arrived in Madīnah, the people were paying in advance for fruit for one and two years. He did not forbid the practice itself; he corrected it, laying down the conditions that remove dispute and uncertainty.

The Three Conditions: Known Measure, Known Weight, Known Term

The hadith of Ibn 'Abbās fixes what must be made certain for a salam contract to be valid. The commodity must be one that can be precisely specified — by measure (kayl), by weight (wazn), or by number and clear description — so that when delivery falls due there is no room for the seller and buyer to dispute what was owed. Alongside quantity, the scholars require the type, kind, and quality to be described (for example: dates of a stated variety, a stated grade, so many ṣā' of them), because a vague description reintroduces the very uncertainty (gharar) the hadith was given to remove.

The 'known term' (ajal ma'lūm) means the time of delivery must be fixed and agreed — a named date or a defined period — not left open. And by the consensus of the practice, the capital (the price) is handed over at the contract, since salam is by its nature 'advance payment'; a salam in which the money too is deferred would be a debt-for-a-debt, which is prohibited.

The underlying principle is consent over a clearly defined exchange, free of deception. Allah made lawful trade that rests on mutual, informed agreement:

You Do Not Sell What You Have Not Taken Into Your Possession

Closely tied to the rules of salam is the rule of qabḍ — taking possession. One who buys foodstuff may not resell it before he has actually received it and taken it fully into his hand. Selling on a good one does not yet possess exposes both parties to loss and dispute if delivery fails, and it can become a mere trading of prices with nothing real changing hands.

For salam this means: the goods bought by salam are a debt described in one's liability; the buyer takes possession only when they are delivered at the agreed term. It is on this basis that the majority held one should not resell the salam-goods before receiving them, keeping the transaction honest and grounded in real delivery rather than the trading of unfulfilled obligations.

Fruit Is Not Sold Until Its Ripeness Is Evident

The same concern for removing gharar shapes the ruling on selling fruit still on the tree. The Prophet (ṣallallāhu 'alayhi wa sallam) forbade selling fruit before its soundness and ripeness appear — before it is clear the crop will come good — because a blight or frost could destroy it, leaving the buyer with a paid-for loss and the two parties in conflict.

There is an important distinction that keeps this from contradicting salam. Selling this particular, present crop on this tree before its ripeness is what is forbidden, because that specific thing may perish. Salam, by contrast, is a described obligation in the seller's liability — 'so many ṣā' of dates of such-and-such kind, delivered at such a term' — not the sale of one identified, perishable lot. That is why the Companions could pay in advance for fruit for a year or two: the seller owes a description, and if one source fails he fulfils it from another.

The Wider Frame: No Ribā, Fulfil Your Contracts

Salam sits inside the broader law of exchange, and two great principles guard it. First, trade is lawful and ribā (usury/interest) is forbidden — so the profit in salam must come from a genuine sale of goods, not from lending money at an increase disguised as a sale.

Second, contracts entered into must be honoured. Once a valid salam is concluded on clear terms, both sides are bound to it — the buyer to his advanced price, the seller to deliver the described goods in full and on time.

Where the Scholars Differed (Ikhtilāf)

The foundations above are agreed upon. On several points of application the imams — may Allah have mercy on them — differed, each reasoning from the same texts. Reporting this ikhtilāf honestly is part of respecting the scholars, not undermining them; the difference is within the bounds of the Sunnah, and each held his view seeking the truth.

1) Handing over the capital at the session. The majority (Ḥanafīs, Shāfi'īs, and Ḥanbalīs) held that the full price must be paid at the contract session (majlis), because a salam whose price is also deferred becomes debt-for-debt. The Mālikīs permitted a short delay of a couple of days by custom, viewing that as not defeating the meaning of advance payment.

2) Whether a delivery term is required. The majority held salam must have a stated future term (ajal), taking the hadith's words 'to a known term' as a condition. Imām ash-Shāfi'ī permitted salam ḥāll — for immediate delivery — reasoning that if a deferred, less-certain delivery is allowed, an immediate one (which is more certain) is allowed with greater reason.

3) Whether the goods must exist in the market throughout. Some early scholars stipulated that the commodity be available from the time of contract to the time of delivery. The majority required only that it be reasonably expected to exist at the term of delivery, since salam is a liability-based obligation and the hadith of the Companions paying a year or more in advance shows present availability was not required.

4) Naming the place of delivery. Imām Abū Ḥanīfah required the place of delivery to be specified in the contract. Mālik, ash-Shāfi'ī, and Aḥmad generally held that if a place is understood by custom or is the place of contract, naming it is not a condition. All agreed the aim is the same: that delivery be free of dispute.

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