Book Two: Nominate Contracts · Section One: Contracts of Transfer of Ownership · Chapter One: Contract of Sale · Part Three: Certain Types of Sales · First: Salam Sale
It shall not be valid for both the Salam capital and the subject matter of the Salam to consist of two foodstuffs or currencies; in cases other than foodstuffs, it shall be sufficient that they differ in genus and benefit.
Interpretation and application must be checked against the official text and current version.