The previous narration.
Then he wrote: "It is not permissible that the freed slave of a Muslim man be taken as an ally without his permission." Then I was informed that he cursed, in a document, whoever does that.
Imam al-Shafi'i (may Allah have mercy on him) says that the Messenger of Allah (peace and blessings be upon him) placed the blood money upon the 'aqilah when there was no register (diwan); the register only began in the time of Sayyiduna Umar (may Allah be pleased with him), when wealth became abundant.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الديات / 16380