Buying and Selling: Buying and Selling Leather Imported from Non-Muslim Countries
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 2069
It is permitted to buy and sell leather that is imported from non-Muslim countries or acquired from a disbeliever in the event that one deems it probable that it is from an animal which was slaughtered according to Islamic law. Moreover, it is correct (ṣaḥīḥ) to perform prayers with it [if one deems it probable that it is from an animal which was slaughtered according to Islamic law].
-Ayatullah Sistani, Practical Laws of Islam, Buying and Selling