Sharʿi Analysis of the Difference Between Bayʿ al-Salam and Gharar (Uncertainty)

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Author: Dr. Muhammad Ziya-ur-Rahman Azmi رحمه الله

◈ Distinction Between Forward Sale (Bayʿ al-Salam) and Gharar-Based Transactions ◈

❖ Definition of Gharar (غرر):

Gharar refers to any transaction involving uncertainty, ambiguity, or lack of clarity regarding the outcome, subject, or terms of the contract.

❖ The Question:

Some farm owners, for example, purchase 50 small date palm plants for 50,000, but do not specify their type or size. However, they impose a condition that no sale shall occur until they have received their 50 plants.

❖ Sharʿi Ruling and Classification:

The situation can be divided into two types:

In this case:

  • The plants are not present at the time of sale,
  • But are described and the seller becomes obligated to deliver them,
  • The price is paid in advance.

This falls under Bayʿ al-Salam and is permissible provided the following conditions are met:

✔ Clear specification of the type, quantity, and size of the plants.
✔ Fixed and known delivery date.
✔ Full advance payment.

This is in accordance with the hadith of the Prophet ﷺ:

“Whoever engages in a Salam sale should do so with known measure, known weight, and a specified term.”
Sunan al-Tirmidhī, Ḥadīth 1311

Example:
“I purchase 100 seedlings of Sukkarī variety date palms for such-and-such amount to be delivered at a fixed time.”

In this situation:

  • The plants are present,
  • But not specifically identified or described,
  • The buyer says: “I purchase a plant from this row.”

This transaction is invalid, because:

  • It involves ambiguity and uncertainty,
  • The plants are unspecified, and merely describing the group is insufficient.

✔ The buyer must specify exact plants, for example:

“I purchase these ten seedlings,”
and they must be visibly designated.

Otherwise, the transaction falls under Bayʿ al-Gharar, which is prohibited.

❖ Supporting Hadith:

From Abū Hurayrah (رضي الله عنه):

“The Prophet ﷺ forbade sales that involve deception (gharar).”
Ṣaḥīḥ Muslim 1513/4

Ibn ʿUthaymīn – Liqāʾ al-Bāb al-Maftūḥ 12/16