مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 2878
Business Transactions
Chapter - Section 1
وَعَنِ ابْنِ عُمَرَ قَالَ: نَهَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَن بيع الْوَلَاء وَعَن هِبته
Ibn ‘Umar said that God’s Messenger forbade selling or giving away the right to inheritance from a manumitted slave. (Bukhari and Muslim.)
Mishkat al-Masabih, 2878مُتَّفَقٌ عَلَيْهِ (الألباني)