Sahih al-Bukhari · The Book of Conditions
17- بَابُ الْمُكَاتَبِ، وَمَا لاَ يَحِلُّ مِنَ الشُّرُوطِ الَّتِي تُخَالِفُ كِتَابَ اللَّهِ:
(17) Chapter. Al-Mukatab (i.e., the slave who is given the writing of emancipation for a certain sum) and about the invalidity of those conditions which contradict Allah’s Laws.
1 hadith · references 2735–2735
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