Al-Kāfi - Volume 7 > Confirming of Certain Heir a Debt
Hadith #2

2- عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ مُحَمَّدِ بْنِ أَبِي حَمْزَةَ وَحُسَيْنِ بْنِ عُثْمَانَ عَنْ إِسْحَاقَ بْنِ عَمَّارٍ عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلام) فِي رَجُلٍ مَاتَ وَأَقَرَّ بَعْضُ وَرَثَتِهِ لِرَجُلٍ بِدَيْنٍ قَالَ يَلْزَمُهُ ذَلِكَ فِي حِصَّتِهِ.

2. Ali ibn Ibrahim has narrated from his father from ibn abu ‘Umayr from Muhammad ibn Hamzah and Husayn ibn ‘Uthman from Ishaq ibn ‘Ammar who has narrated the following: “About the case of a man who dies and certain ones of his heirs confirm his indebtedness to a man, abu ‘Abd Allah, ‘Alayhi al-Salam, has said, ‘It becomes binding upon them on their shares.’”