Partnership: Purchasing on Credit by a Partner
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 2168
If a partner buys something on credit for himself, then any profit or loss resulting from this is his. However, if he buys it for the partnership and the partnership agreement allows for credit transactions, then any resulting profit or loss is his and theirs.
-Ayatullah Sistani, Practical Laws of Islam, Buying and Selling