(38, 39) باب دِيَةِ الْمُكَاتَبِ
It was narrated from Ibn 'Abbas that:
a Mukatab was killed at the time of the Messenger of Allah and he commanded that the Diyah be paid (equivalent) to the Diyah for a free man, (proportionate to the amount he had paid off towards buying his freedom).
Reference: Sunan an-Nasa'i 4812
In-book reference: Book 45, Hadith 107
English translation: Vol. 5, Book 45, Hadith 4816