It is permissible for someone [who is owed money] to cancel a portion of a debt or to donate to the opponent [the one who owes him or her money] some of the property in his or her hand, provided that the creditor does not make payment of the rest a condition for the donation or cancellation. 889 Likewise, neither party may deny the other party his or her rights for refusing to grant them that acquittal/donation; also, the creditor may not 890
وَمَنْ أَسْقَطَ بَعْضَ دَيْنِه أَوْ وَهَبَ غَرِيْمَهُ بَعْضَ الْعَيْنِ الَّتِيْ لَهُ فِيْ يَدِهِ، جَازَ مَا لَمْ يَجْعَلْ وَفَاءَ الْبَاقِيْ شَرْطًا فِي الْهِبَةِ وَالإِبْرَاءِ، أَوْ يَمْنَعْهُ حَقَّهُ إِلاَّ بِذٰلِكَ، أَوْ يَضَعَ بَعْضَ الْمُؤَجَّلِ؛ لِيُعَجِّلَ لَهُ الْبَاقِيْ.