من لا يحضره الفقيه, volume 3, page 260

Hadith.3937 - It is narrated from Mansur bin Hazim, who said: I said to Abu Abdillah (as): "A man owed another man dirhams for the price of sheep he had bought from him. The creditor came to demand payment, and the debtor said: 'I will sell you these sheep for the dirhams I owe you.' The creditor agreed." Imam (as) said: "There is no harm in that."

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.

Hadith.3938 - It is narrated from Abdullah bin Bukayr, who said: I asked Abu Abdillah (as) about a man who made an advance payment (salam) for something that people typically make advance payments for, such as fruits, but the fruits were destroyed, and he did not receive what was due. Imam (as) said: "Let him take back his principal amount, or he may grant the debtor more time."

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.

Hadith.3939 - Safwan bin Yahya narrated from Al-Ays bin Al-Qasim, who said: I asked Abu Abdillah (as) about a man who had advanced dirhams to another man for wheat. When the due date arrived, the debtor did not have any food but had animals, slaves, and goods. I asked: "Is it permissible for him to take these items in place of the wheat owed to him?" Imam (as) said: "Yes, he may specify such and such items for such and such a measure."

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.

Hadith.3940 - It is narrated from Hadid bin Hakim, who said: I said to Abu Abdillah (as): "A man buys hides from a butcher and pays him a fixed amount every day." Imam (as) said: "There is no harm in that."

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.